30308840

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18481}}^1$

素因数の和:18533

約数の個数: 32

約数和(自身を含む): 69861960

約数和(自身を除く): 39553120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 18481, 36962, 73924, 92405, 147848, 184810, 369620, 739240, 757721, 1515442, 3030884, 3788605, 6061768, 7577210, 15154420, 30308840]

約数ペア:

[(1, 30308840), (2, 15154420), (4, 7577210), (5, 6061768), (8, 3788605), (10, 3030884), (20, 1515442), (40, 757721), (41, 739240), (82, 369620), (164, 184810), (205, 147848), (328, 92405), (410, 73924), (820, 36962), (1640, 18481)]