76878280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{46877}}^1$

素因数の和:46929

約数の個数: 32

約数和(自身を含む): 177198840

約数和(自身を除く): 100320560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 46877, 93754, 187508, 234385, 375016, 468770, 937540, 1875080, 1921957, 3843914, 7687828, 9609785, 15375656, 19219570, 38439140, 76878280]

約数ペア:

[(1, 76878280), (2, 38439140), (4, 19219570), (5, 15375656), (8, 9609785), (10, 7687828), (20, 3843914), (40, 1921957), (41, 1875080), (82, 937540), (164, 468770), (205, 375016), (328, 234385), (410, 187508), (820, 93754), (1640, 46877)]