79809620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{1291}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 183629376

約数和(自身を除く): 103819756

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 281, 562, 1124, 1291, 1405, 2582, 2810, 3091, 5164, 5620, 6182, 6455, 12364, 12910, 14201, 15455, 25820, 28402, 30910, 56804, 61820, 71005, 142010, 284020, 362771, 725542, 1451084, 1813855, 3627710, 3990481, 7255420, 7980962, 15961924, 19952405, 39904810, 79809620]

約数ペア:

[(1, 79809620), (2, 39904810), (4, 19952405), (5, 15961924), (10, 7980962), (11, 7255420), (20, 3990481), (22, 3627710), (44, 1813855), (55, 1451084), (110, 725542), (220, 362771), (281, 284020), (562, 142010), (1124, 71005), (1291, 61820), (1405, 56804), (2582, 30910), (2810, 28402), (3091, 25820), (5164, 15455), (5620, 14201), (6182, 12910), (6455, 12364)]