81042860

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{48821}}^1$

素因数の和:48913

約数の個数: 24

約数和(自身を含む): 172244016

約数和(自身を除く): 91201156

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 48821, 97642, 195284, 244105, 488210, 976420, 4052143, 8104286, 16208572, 20260715, 40521430, 81042860]

約数ペア:

[(1, 81042860), (2, 40521430), (4, 20260715), (5, 16208572), (10, 8104286), (20, 4052143), (83, 976420), (166, 488210), (332, 244105), (415, 195284), (830, 97642), (1660, 48821)]