4157360

素因数分解:

$2^4\times 5^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:501

約数の個数: 40

約数和(自身を含む): 9756816

約数和(自身を除く): 5599456

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157, 314, 331, 628, 662, 785, 1256, 1324, 1570, 1655, 2512, 2648, 3140, 3310, 5296, 6280, 6620, 12560, 13240, 26480, 51967, 103934, 207868, 259835, 415736, 519670, 831472, 1039340, 2078680, 4157360]

約数ペア:

[(1, 4157360), (2, 2078680), (4, 1039340), (5, 831472), (8, 519670), (10, 415736), (16, 259835), (20, 207868), (40, 103934), (80, 51967), (157, 26480), (314, 13240), (331, 12560), (628, 6620), (662, 6280), (785, 5296), (1256, 3310), (1324, 3140), (1570, 2648), (1655, 2512)]