64161040

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2423}}^1$

素因数の和:2767

約数の個数: 40

約数和(自身を含む): 149686848

約数和(自身を除く): 85525808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2423, 2648, 3310, 4846, 5296, 6620, 9692, 12115, 13240, 19384, 24230, 26480, 38768, 48460, 96920, 193840, 802013, 1604026, 3208052, 4010065, 6416104, 8020130, 12832208, 16040260, 32080520, 64161040]

約数ペア:

[(1, 64161040), (2, 32080520), (4, 16040260), (5, 12832208), (8, 8020130), (10, 6416104), (16, 4010065), (20, 3208052), (40, 1604026), (80, 802013), (331, 193840), (662, 96920), (1324, 48460), (1655, 38768), (2423, 26480), (2648, 24230), (3310, 19384), (4846, 13240), (5296, 12115), (6620, 9692)]