2635880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 6607440

約数和(自身を除く): 3971560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 37, 40, 52, 65, 74, 104, 130, 137, 148, 185, 260, 274, 296, 370, 481, 520, 548, 685, 740, 962, 1096, 1370, 1480, 1781, 1924, 2405, 2740, 3562, 3848, 4810, 5069, 5480, 7124, 8905, 9620, 10138, 14248, 17810, 19240, 20276, 25345, 35620, 40552, 50690, 65897, 71240, 101380, 131794, 202760, 263588, 329485, 527176, 658970, 1317940, 2635880]

約数ペア:

[(1, 2635880), (2, 1317940), (4, 658970), (5, 527176), (8, 329485), (10, 263588), (13, 202760), (20, 131794), (26, 101380), (37, 71240), (40, 65897), (52, 50690), (65, 40552), (74, 35620), (104, 25345), (130, 20276), (137, 19240), (148, 17810), (185, 14248), (260, 10138), (274, 9620), (296, 8905), (370, 7124), (481, 5480), (520, 5069), (548, 4810), (685, 3848), (740, 3562), (962, 2740), (1096, 2405), (1370, 1924), (1480, 1781)]