25670480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{941}}^1$

素因数の和:996

約数の個数: 80

約数和(自身を含む): 67281408

約数和(自身を除く): 41610928

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 941, 1240, 1364, 1705, 1882, 2480, 2728, 3410, 3764, 4705, 5456, 6820, 7528, 9410, 10351, 13640, 15056, 18820, 20702, 27280, 29171, 37640, 41404, 51755, 58342, 75280, 82808, 103510, 116684, 145855, 165616, 207020, 233368, 291710, 320881, 414040, 466736, 583420, 641762, 828080, 1166840, 1283524, 1604405, 2333680, 2567048, 3208810, 5134096, 6417620, 12835240, 25670480]

約数ペア:

[(1, 25670480), (2, 12835240), (4, 6417620), (5, 5134096), (8, 3208810), (10, 2567048), (11, 2333680), (16, 1604405), (20, 1283524), (22, 1166840), (31, 828080), (40, 641762), (44, 583420), (55, 466736), (62, 414040), (80, 320881), (88, 291710), (110, 233368), (124, 207020), (155, 165616), (176, 145855), (220, 116684), (248, 103510), (310, 82808), (341, 75280), (440, 58342), (496, 51755), (620, 41404), (682, 37640), (880, 29171), (941, 27280), (1240, 20702), (1364, 18820), (1705, 15056), (1882, 13640), (2480, 10351), (2728, 9410), (3410, 7528), (3764, 6820), (4705, 5456)]