72169180

素因数分解:

$2^2\times 5^1\times {\mathrm{379}}^1\times {\mathrm{9521}}^1$

素因数の和:9909

約数の個数: 24

約数和(自身を含む): 151971120

約数和(自身を除く): 79801940

約数列:

[1, 2, 4, 5, 10, 20, 379, 758, 1516, 1895, 3790, 7580, 9521, 19042, 38084, 47605, 95210, 190420, 3608459, 7216918, 14433836, 18042295, 36084590, 72169180]

約数ペア:

[(1, 72169180), (2, 36084590), (4, 18042295), (5, 14433836), (10, 7216918), (20, 3608459), (379, 190420), (758, 95210), (1516, 47605), (1895, 38084), (3790, 19042), (7580, 9521)]