1640178670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{293413}}^1$

素因数の和:293476

約数の個数: 32

約数和(自身を含む): 3253374432

約数和(自身を除く): 1613195762

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 215, 430, 559, 1118, 2795, 5590, 293413, 586826, 1467065, 2934130, 3814369, 7628738, 12616759, 19071845, 25233518, 38143690, 63083795, 126167590, 164017867, 328035734, 820089335, 1640178670]

約数ペア:

[(1, 1640178670), (2, 820089335), (5, 328035734), (10, 164017867), (13, 126167590), (26, 63083795), (43, 38143690), (65, 25233518), (86, 19071845), (130, 12616759), (215, 7628738), (430, 3814369), (559, 2934130), (1118, 1467065), (2795, 586826), (5590, 293413)]