125745920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3169}}^1$

素因数の和:3221

約数の個数: 72

約数和(自身を含む): 311015040

約数和(自身を除く): 185269120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3169, 3968, 4960, 6338, 7936, 9920, 12676, 15845, 19840, 25352, 31690, 39680, 50704, 63380, 98239, 101408, 126760, 196478, 202816, 253520, 392956, 405632, 491195, 507040, 785912, 811264, 982390, 1014080, 1571824, 1964780, 2028160, 3143648, 3929560, 4056320, 6287296, 7859120, 12574592, 15718240, 25149184, 31436480, 62872960, 125745920]

約数ペア:

[(1, 125745920), (2, 62872960), (4, 31436480), (5, 25149184), (8, 15718240), (10, 12574592), (16, 7859120), (20, 6287296), (31, 4056320), (32, 3929560), (40, 3143648), (62, 2028160), (64, 1964780), (80, 1571824), (124, 1014080), (128, 982390), (155, 811264), (160, 785912), (248, 507040), (256, 491195), (310, 405632), (320, 392956), (496, 253520), (620, 202816), (640, 196478), (992, 126760), (1240, 101408), (1280, 98239), (1984, 63380), (2480, 50704), (3169, 39680), (3968, 31690), (4960, 25352), (6338, 19840), (7936, 15845), (9920, 12676)]