13699294640

素因数分解:

$2^4\times 5^1\times {\mathrm{523}}^1\times {\mathrm{327421}}^1$

素因数の和:327957

約数の個数: 40

約数和(自身を含む): 31911857808

約数和(自身を除く): 18212563168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 523, 1046, 2092, 2615, 4184, 5230, 8368, 10460, 20920, 41840, 327421, 654842, 1309684, 1637105, 2619368, 3274210, 5238736, 6548420, 13096840, 26193680, 171241183, 342482366, 684964732, 856205915, 1369929464, 1712411830, 2739858928, 3424823660, 6849647320, 13699294640]

約数ペア:

[(1, 13699294640), (2, 6849647320), (4, 3424823660), (5, 2739858928), (8, 1712411830), (10, 1369929464), (16, 856205915), (20, 684964732), (40, 342482366), (80, 171241183), (523, 26193680), (1046, 13096840), (2092, 6548420), (2615, 5238736), (4184, 3274210), (5230, 2619368), (8368, 1637105), (10460, 1309684), (20920, 654842), (41840, 327421)]