25273160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:902

約数の個数: 64

約数和(自身を含む): 62985600

約数和(自身を除く): 37712440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 809, 1420, 1562, 1618, 2840, 3124, 3236, 3905, 4045, 6248, 6472, 7810, 8090, 8899, 15620, 16180, 17798, 31240, 32360, 35596, 44495, 57439, 71192, 88990, 114878, 177980, 229756, 287195, 355960, 459512, 574390, 631829, 1148780, 1263658, 2297560, 2527316, 3159145, 5054632, 6318290, 12636580, 25273160]

約数ペア:

[(1, 25273160), (2, 12636580), (4, 6318290), (5, 5054632), (8, 3159145), (10, 2527316), (11, 2297560), (20, 1263658), (22, 1148780), (40, 631829), (44, 574390), (55, 459512), (71, 355960), (88, 287195), (110, 229756), (142, 177980), (220, 114878), (284, 88990), (355, 71192), (440, 57439), (568, 44495), (710, 35596), (781, 32360), (809, 31240), (1420, 17798), (1562, 16180), (1618, 15620), (2840, 8899), (3124, 8090), (3236, 7810), (3905, 6472), (4045, 6248)]