25375360

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1329

約数の個数: 64

約数和(自身を含む): 62668800

約数和(自身を除く): 37293440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1279, 1984, 2480, 2558, 3968, 4960, 5116, 6395, 9920, 10232, 12790, 19840, 20464, 25580, 39649, 40928, 51160, 79298, 81856, 102320, 158596, 163712, 198245, 204640, 317192, 396490, 409280, 634384, 792980, 818560, 1268768, 1585960, 2537536, 3171920, 5075072, 6343840, 12687680, 25375360]

約数ペア:

[(1, 25375360), (2, 12687680), (4, 6343840), (5, 5075072), (8, 3171920), (10, 2537536), (16, 1585960), (20, 1268768), (31, 818560), (32, 792980), (40, 634384), (62, 409280), (64, 396490), (80, 317192), (124, 204640), (128, 198245), (155, 163712), (160, 158596), (248, 102320), (310, 81856), (320, 79298), (496, 51160), (620, 40928), (640, 39649), (992, 25580), (1240, 20464), (1279, 19840), (1984, 12790), (2480, 10232), (2558, 9920), (3968, 6395), (4960, 5116)]