27958100

素因数分解:

$2^2\times 5^2\times {\mathrm{79}}^1\times {\mathrm{3539}}^1$

素因数の和:3632

約数の個数: 36

約数和(自身を含む): 61454400

約数和(自身を除く): 33496300

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 79, 100, 158, 316, 395, 790, 1580, 1975, 3539, 3950, 7078, 7900, 14156, 17695, 35390, 70780, 88475, 176950, 279581, 353900, 559162, 1118324, 1397905, 2795810, 5591620, 6989525, 13979050, 27958100]

約数ペア:

[(1, 27958100), (2, 13979050), (4, 6989525), (5, 5591620), (10, 2795810), (20, 1397905), (25, 1118324), (50, 559162), (79, 353900), (100, 279581), (158, 176950), (316, 88475), (395, 70780), (790, 35390), (1580, 17695), (1975, 14156), (3539, 7900), (3950, 7078)]