78301360

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2957}}^1$

素因数の和:3301

約数の個数: 40

約数和(自身を含む): 182662416

約数和(自身を除く): 104361056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 2957, 3310, 5296, 5914, 6620, 11828, 13240, 14785, 23656, 26480, 29570, 47312, 59140, 118280, 236560, 978767, 1957534, 3915068, 4893835, 7830136, 9787670, 15660272, 19575340, 39150680, 78301360]

約数ペア:

[(1, 78301360), (2, 39150680), (4, 19575340), (5, 15660272), (8, 9787670), (10, 7830136), (16, 4893835), (20, 3915068), (40, 1957534), (80, 978767), (331, 236560), (662, 118280), (1324, 59140), (1655, 47312), (2648, 29570), (2957, 26480), (3310, 23656), (5296, 14785), (5914, 13240), (6620, 11828)]