77948120

素因数分解:

$2^3\times 5^1\times {\mathrm{1948703}}^1$

素因数の和:1948714

約数の個数: 16

約数和(自身を含む): 175383360

約数和(自身を除く): 97435240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1948703, 3897406, 7794812, 9743515, 15589624, 19487030, 38974060, 77948120]

約数ペア:

[(1, 77948120), (2, 38974060), (4, 19487030), (5, 15589624), (8, 9743515), (10, 7794812), (20, 3897406), (40, 1948703)]