20058100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{2539}}^1$

素因数の和:2632

約数の個数: 36

約数和(自身を含む): 44094400

約数和(自身を除く): 24036300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 2539, 3950, 5078, 7900, 10156, 12695, 25390, 50780, 63475, 126950, 200581, 253900, 401162, 802324, 1002905, 2005810, 4011620, 5014525, 10029050, 20058100]

約数ペア:

[(1, 20058100), (2, 10029050), (4, 5014525), (5, 4011620), (10, 2005810), (20, 1002905), (25, 802324), (50, 401162), (79, 253900), (100, 200581), (158, 126950), (316, 63475), (395, 50780), (790, 25390), (1580, 12695), (1975, 10156), (2539, 7900), (3950, 5078)]