20125076200

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{1273739}}^1$

素因数の和:1273834

約数の個数: 48

約数和(自身を含む): 47383128000

約数和(自身を除く): 27258051800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 7900, 15800, 1273739, 2547478, 5094956, 6368695, 10189912, 12737390, 25474780, 31843475, 50949560, 63686950, 100625381, 127373900, 201250762, 254747800, 402501524, 503126905, 805003048, 1006253810, 2012507620, 2515634525, 4025015240, 5031269050, 10062538100, 20125076200]

約数ペア:

[(1, 20125076200), (2, 10062538100), (4, 5031269050), (5, 4025015240), (8, 2515634525), (10, 2012507620), (20, 1006253810), (25, 805003048), (40, 503126905), (50, 402501524), (79, 254747800), (100, 201250762), (158, 127373900), (200, 100625381), (316, 63686950), (395, 50949560), (632, 31843475), (790, 25474780), (1580, 12737390), (1975, 10189912), (3160, 6368695), (3950, 5094956), (7900, 2547478), (15800, 1273739)]