80400770

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{78059}}^1$

素因数の和:78169

約数の個数: 16

約数和(自身を含む): 146128320

約数和(自身を除く): 65727550

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 78059, 156118, 390295, 780590, 8040077, 16080154, 40200385, 80400770]

約数ペア:

[(1, 80400770), (2, 40200385), (5, 16080154), (10, 8040077), (103, 780590), (206, 390295), (515, 156118), (1030, 78059)]