158547820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1\times {\mathrm{809}}^1$

素因数の和:1098

約数の個数: 48

約数和(自身を含む): 342921600

約数和(自身を除く): 184373780

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 239, 410, 478, 809, 820, 956, 1195, 1618, 2390, 3236, 4045, 4780, 8090, 9799, 16180, 19598, 33169, 39196, 48995, 66338, 97990, 132676, 165845, 193351, 195980, 331690, 386702, 663380, 773404, 966755, 1933510, 3867020, 7927391, 15854782, 31709564, 39636955, 79273910, 158547820]

約数ペア:

[(1, 158547820), (2, 79273910), (4, 39636955), (5, 31709564), (10, 15854782), (20, 7927391), (41, 3867020), (82, 1933510), (164, 966755), (205, 773404), (239, 663380), (410, 386702), (478, 331690), (809, 195980), (820, 193351), (956, 165845), (1195, 132676), (1618, 97990), (2390, 66338), (3236, 48995), (4045, 39196), (4780, 33169), (8090, 19598), (9799, 16180)]