7456520

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1423}}^1$

素因数の和:1565

約数の個数: 32

約数和(自身を含む): 16917120

約数和(自身を除く): 9460600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 1423, 2620, 2846, 5240, 5692, 7115, 11384, 14230, 28460, 56920, 186413, 372826, 745652, 932065, 1491304, 1864130, 3728260, 7456520]

約数ペア:

[(1, 7456520), (2, 3728260), (4, 1864130), (5, 1491304), (8, 932065), (10, 745652), (20, 372826), (40, 186413), (131, 56920), (262, 28460), (524, 14230), (655, 11384), (1048, 7115), (1310, 5692), (1423, 5240), (2620, 2846)]