25388440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8243}}^1$

素因数の和:8272

約数の個数: 64

約数和(自身を含む): 71228160

約数和(自身を除く): 45839720

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 8243, 16486, 32972, 41215, 57701, 65944, 82430, 90673, 115402, 164860, 181346, 230804, 288505, 329720, 362692, 453365, 461608, 577010, 634711, 725384, 906730, 1154020, 1269422, 1813460, 2308040, 2538844, 3173555, 3626920, 5077688, 6347110, 12694220, 25388440]

約数ペア:

[(1, 25388440), (2, 12694220), (4, 6347110), (5, 5077688), (7, 3626920), (8, 3173555), (10, 2538844), (11, 2308040), (14, 1813460), (20, 1269422), (22, 1154020), (28, 906730), (35, 725384), (40, 634711), (44, 577010), (55, 461608), (56, 453365), (70, 362692), (77, 329720), (88, 288505), (110, 230804), (140, 181346), (154, 164860), (220, 115402), (280, 90673), (308, 82430), (385, 65944), (440, 57701), (616, 41215), (770, 32972), (1540, 16486), (3080, 8243)]