201961948640

素因数分解:

$2^5\times 5^1\times {\mathrm{2521}}^1\times {\mathrm{500699}}^1$

素因数の和:503235

約数の個数: 48

約数和(自身を含む): 477325321200

約数和(自身を除く): 275363372560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 2521, 5042, 10084, 12605, 20168, 25210, 40336, 50420, 80672, 100840, 201680, 403360, 500699, 1001398, 2002796, 2503495, 4005592, 5006990, 8011184, 10013980, 16022368, 20027960, 40055920, 80111840, 1262262179, 2524524358, 5049048716, 6311310895, 10098097432, 12622621790, 20196194864, 25245243580, 40392389728, 50490487160, 100980974320, 201961948640]

約数ペア:

[(1, 201961948640), (2, 100980974320), (4, 50490487160), (5, 40392389728), (8, 25245243580), (10, 20196194864), (16, 12622621790), (20, 10098097432), (32, 6311310895), (40, 5049048716), (80, 2524524358), (160, 1262262179), (2521, 80111840), (5042, 40055920), (10084, 20027960), (12605, 16022368), (20168, 10013980), (25210, 8011184), (40336, 5006990), (50420, 4005592), (80672, 2503495), (100840, 2002796), (201680, 1001398), (403360, 500699)]