7885843880

素因数分解:

$2^3\times 5^1\times {\mathrm{197146097}}^1$

素因数の和:197146108

約数の個数: 16

約数和(自身を含む): 17743148820

約数和(自身を除く): 9857304940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197146097, 394292194, 788584388, 985730485, 1577168776, 1971460970, 3942921940, 7885843880]

約数ペア:

[(1, 7885843880), (2, 3942921940), (4, 1971460970), (5, 1577168776), (8, 985730485), (10, 788584388), (20, 394292194), (40, 197146097)]