52861420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139109}}^1$

素因数の和:139137

約数の個数: 24

約数和(自身を含む): 116852400

約数和(自身を除く): 63990980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 139109, 278218, 556436, 695545, 1391090, 2643071, 2782180, 5286142, 10572284, 13215355, 26430710, 52861420]

約数ペア:

[(1, 52861420), (2, 26430710), (4, 13215355), (5, 10572284), (10, 5286142), (19, 2782180), (20, 2643071), (38, 1391090), (76, 695545), (95, 556436), (190, 278218), (380, 139109)]