6500240

素因数分解:

$2^4\times 5^1\times {\mathrm{193}}^1\times {\mathrm{421}}^1$

素因数の和:627

約数の個数: 40

約数和(自身を含む): 15227448

約数和(自身を除く): 8727208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 193, 386, 421, 772, 842, 965, 1544, 1684, 1930, 2105, 3088, 3368, 3860, 4210, 6736, 7720, 8420, 15440, 16840, 33680, 81253, 162506, 325012, 406265, 650024, 812530, 1300048, 1625060, 3250120, 6500240]

約数ペア:

[(1, 6500240), (2, 3250120), (4, 1625060), (5, 1300048), (8, 812530), (10, 650024), (16, 406265), (20, 325012), (40, 162506), (80, 81253), (193, 33680), (386, 16840), (421, 15440), (772, 8420), (842, 7720), (965, 6736), (1544, 4210), (1684, 3860), (1930, 3368), (2105, 3088)]