39891540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{257}}^1$

素因数の和:481

約数の個数: 96

約数和(自身を含む): 121363200

約数和(自身を除く): 81471660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 257, 260, 390, 398, 514, 597, 771, 780, 796, 995, 1028, 1194, 1285, 1542, 1990, 2388, 2570, 2587, 2985, 3084, 3341, 3855, 3980, 5140, 5174, 5970, 6682, 7710, 7761, 10023, 10348, 11940, 12935, 13364, 15420, 15522, 16705, 20046, 25870, 31044, 33410, 38805, 40092, 50115, 51143, 51740, 66820, 77610, 100230, 102286, 153429, 155220, 200460, 204572, 255715, 306858, 511430, 613716, 664859, 767145, 1022860, 1329718, 1534290, 1994577, 2659436, 3068580, 3324295, 3989154, 6648590, 7978308, 9972885, 13297180, 19945770, 39891540]

約数ペア:

[(1, 39891540), (2, 19945770), (3, 13297180), (4, 9972885), (5, 7978308), (6, 6648590), (10, 3989154), (12, 3324295), (13, 3068580), (15, 2659436), (20, 1994577), (26, 1534290), (30, 1329718), (39, 1022860), (52, 767145), (60, 664859), (65, 613716), (78, 511430), (130, 306858), (156, 255715), (195, 204572), (199, 200460), (257, 155220), (260, 153429), (390, 102286), (398, 100230), (514, 77610), (597, 66820), (771, 51740), (780, 51143), (796, 50115), (995, 40092), (1028, 38805), (1194, 33410), (1285, 31044), (1542, 25870), (1990, 20046), (2388, 16705), (2570, 15522), (2587, 15420), (2985, 13364), (3084, 12935), (3341, 11940), (3855, 10348), (3980, 10023), (5140, 7761), (5174, 7710), (5970, 6682)]