1656020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2711

約数の個数: 24

約数和(自身を含む): 3591168

約数和(自身を除く): 1935148

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2671, 5342, 10684, 13355, 26710, 53420, 82801, 165602, 331204, 414005, 828010, 1656020]

約数ペア:

[(1, 1656020), (2, 828010), (4, 414005), (5, 331204), (10, 165602), (20, 82801), (31, 53420), (62, 26710), (124, 13355), (155, 10684), (310, 5342), (620, 2671)]