16405469140

素因数分解:

$2^2\times 5^1\times {\mathrm{67219}}^1\times {\mathrm{12203}}^1$

素因数の和:79431

約数の個数: 24

約数和(自身を含む): 34454820960

約数和(自身を除く): 18049351820

約数列:

[1, 2, 4, 5, 10, 20, 12203, 24406, 48812, 61015, 67219, 122030, 134438, 244060, 268876, 336095, 672190, 1344380, 820273457, 1640546914, 3281093828, 4101367285, 8202734570, 16405469140]

約数ペア:

[(1, 16405469140), (2, 8202734570), (4, 4101367285), (5, 3281093828), (10, 1640546914), (20, 820273457), (12203, 1344380), (24406, 672190), (48812, 336095), (61015, 268876), (67219, 244060), (122030, 134438)]