30678460

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{18481}}^1$

素因数の和:18573

約数の個数: 24

約数和(自身を含む): 65204496

約数和(自身を除く): 34526036

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 18481, 36962, 73924, 92405, 184810, 369620, 1533923, 3067846, 6135692, 7669615, 15339230, 30678460]

約数ペア:

[(1, 30678460), (2, 15339230), (4, 7669615), (5, 6135692), (10, 3067846), (20, 1533923), (83, 369620), (166, 184810), (332, 92405), (415, 73924), (830, 36962), (1660, 18481)]