915698120

素因数分解:

$2^3\times 5^1\times {\mathrm{1091}}^1\times {\mathrm{20983}}^1$

素因数の和:22085

約数の個数: 32

約数和(自身を含む): 2062307520

約数和(自身を除く): 1146609400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1091, 2182, 4364, 5455, 8728, 10910, 20983, 21820, 41966, 43640, 83932, 104915, 167864, 209830, 419660, 839320, 22892453, 45784906, 91569812, 114462265, 183139624, 228924530, 457849060, 915698120]

約数ペア:

[(1, 915698120), (2, 457849060), (4, 228924530), (5, 183139624), (8, 114462265), (10, 91569812), (20, 45784906), (40, 22892453), (1091, 839320), (2182, 419660), (4364, 209830), (5455, 167864), (8728, 104915), (10910, 83932), (20983, 43640), (21820, 41966)]