25109480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 62208000

約数和(自身を除く): 37098520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 149, 220, 298, 383, 440, 596, 745, 766, 1192, 1490, 1532, 1639, 1915, 2980, 3064, 3278, 3830, 4213, 5960, 6556, 7660, 8195, 8426, 13112, 15320, 16390, 16852, 21065, 32780, 33704, 42130, 57067, 65560, 84260, 114134, 168520, 228268, 285335, 456536, 570670, 627737, 1141340, 1255474, 2282680, 2510948, 3138685, 5021896, 6277370, 12554740, 25109480]

約数ペア:

[(1, 25109480), (2, 12554740), (4, 6277370), (5, 5021896), (8, 3138685), (10, 2510948), (11, 2282680), (20, 1255474), (22, 1141340), (40, 627737), (44, 570670), (55, 456536), (88, 285335), (110, 228268), (149, 168520), (220, 114134), (298, 84260), (383, 65560), (440, 57067), (596, 42130), (745, 33704), (766, 32780), (1192, 21065), (1490, 16852), (1532, 16390), (1639, 15320), (1915, 13112), (2980, 8426), (3064, 8195), (3278, 7660), (3830, 6556), (4213, 5960)]