20123572600

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{74587}}^1$

素因数の和:74693

約数の個数: 96

約数和(自身を含む): 49944124800

約数和(自身を除く): 29820552200

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 71, 76, 95, 100, 142, 152, 190, 200, 284, 355, 380, 475, 568, 710, 760, 950, 1349, 1420, 1775, 1900, 2698, 2840, 3550, 3800, 5396, 6745, 7100, 10792, 13490, 14200, 26980, 33725, 53960, 67450, 74587, 134900, 149174, 269800, 298348, 372935, 596696, 745870, 1417153, 1491740, 1864675, 2834306, 2983480, 3729350, 5295677, 5668612, 7085765, 7458700, 10591354, 11337224, 14171530, 14917400, 21182708, 26478385, 28343060, 35428825, 42365416, 52956770, 56686120, 70857650, 100617863, 105913540, 132391925, 141715300, 201235726, 211827080, 264783850, 283430600, 402471452, 503089315, 529567700, 804942904, 1006178630, 1059135400, 2012357260, 2515446575, 4024714520, 5030893150, 10061786300, 20123572600]

約数ペア:

[(1, 20123572600), (2, 10061786300), (4, 5030893150), (5, 4024714520), (8, 2515446575), (10, 2012357260), (19, 1059135400), (20, 1006178630), (25, 804942904), (38, 529567700), (40, 503089315), (50, 402471452), (71, 283430600), (76, 264783850), (95, 211827080), (100, 201235726), (142, 141715300), (152, 132391925), (190, 105913540), (200, 100617863), (284, 70857650), (355, 56686120), (380, 52956770), (475, 42365416), (568, 35428825), (710, 28343060), (760, 26478385), (950, 21182708), (1349, 14917400), (1420, 14171530), (1775, 11337224), (1900, 10591354), (2698, 7458700), (2840, 7085765), (3550, 5668612), (3800, 5295677), (5396, 3729350), (6745, 2983480), (7100, 2834306), (10792, 1864675), (13490, 1491740), (14200, 1417153), (26980, 745870), (33725, 596696), (53960, 372935), (67450, 298348), (74587, 269800), (134900, 149174)]