52806878800

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{51031}}^1$

素因数の和:51261

約数の個数: 120

約数和(自身を含む): 137316905600

約数和(自身を除く): 84510026800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 199, 200, 208, 260, 325, 398, 400, 520, 650, 796, 995, 1040, 1300, 1592, 1990, 2587, 2600, 3184, 3980, 4975, 5174, 5200, 7960, 9950, 10348, 12935, 15920, 19900, 20696, 25870, 39800, 41392, 51031, 51740, 64675, 79600, 102062, 103480, 129350, 204124, 206960, 255155, 258700, 408248, 510310, 517400, 663403, 816496, 1020620, 1034800, 1275775, 1326806, 2041240, 2551550, 2653612, 3317015, 4082480, 5103100, 5307224, 6634030, 10155169, 10206200, 10614448, 13268060, 16585075, 20310338, 20412400, 26536120, 33170150, 40620676, 50775845, 53072240, 66340300, 81241352, 101551690, 132017197, 132680600, 162482704, 203103380, 253879225, 264034394, 265361200, 406206760, 507758450, 528068788, 660085985, 812413520, 1015516900, 1056137576, 1320171970, 2031033800, 2112275152, 2640343940, 3300429925, 4062067600, 5280687880, 6600859850, 10561375760, 13201719700, 26403439400, 52806878800]

約数ペア:

[(1, 52806878800), (2, 26403439400), (4, 13201719700), (5, 10561375760), (8, 6600859850), (10, 5280687880), (13, 4062067600), (16, 3300429925), (20, 2640343940), (25, 2112275152), (26, 2031033800), (40, 1320171970), (50, 1056137576), (52, 1015516900), (65, 812413520), (80, 660085985), (100, 528068788), (104, 507758450), (130, 406206760), (199, 265361200), (200, 264034394), (208, 253879225), (260, 203103380), (325, 162482704), (398, 132680600), (400, 132017197), (520, 101551690), (650, 81241352), (796, 66340300), (995, 53072240), (1040, 50775845), (1300, 40620676), (1592, 33170150), (1990, 26536120), (2587, 20412400), (2600, 20310338), (3184, 16585075), (3980, 13268060), (4975, 10614448), (5174, 10206200), (5200, 10155169), (7960, 6634030), (9950, 5307224), (10348, 5103100), (12935, 4082480), (15920, 3317015), (19900, 2653612), (20696, 2551550), (25870, 2041240), (39800, 1326806), (41392, 1275775), (51031, 1034800), (51740, 1020620), (64675, 816496), (79600, 663403), (102062, 517400), (103480, 510310), (129350, 408248), (204124, 258700), (206960, 255155)]