127900720

素因数分解:

$2^4\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1699}}^1$

素因数の和:2653

約数の個数: 40

約数和(自身を含む): 297860400

約数和(自身を除く): 169959680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 941, 1699, 1882, 3398, 3764, 4705, 6796, 7528, 8495, 9410, 13592, 15056, 16990, 18820, 27184, 33980, 37640, 67960, 75280, 135920, 1598759, 3197518, 6395036, 7993795, 12790072, 15987590, 25580144, 31975180, 63950360, 127900720]

約数ペア:

[(1, 127900720), (2, 63950360), (4, 31975180), (5, 25580144), (8, 15987590), (10, 12790072), (16, 7993795), (20, 6395036), (40, 3197518), (80, 1598759), (941, 135920), (1699, 75280), (1882, 67960), (3398, 37640), (3764, 33980), (4705, 27184), (6796, 18820), (7528, 16990), (8495, 15056), (9410, 13592)]