80319320

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{10513}}^1$

素因数の和:10715

約数の個数: 32

約数和(自身を含む): 181681920

約数和(自身を除く): 101362600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 10513, 21026, 42052, 52565, 84104, 105130, 210260, 420520, 2007983, 4015966, 8031932, 10039915, 16063864, 20079830, 40159660, 80319320]

約数ペア:

[(1, 80319320), (2, 40159660), (4, 20079830), (5, 16063864), (8, 10039915), (10, 8031932), (20, 4015966), (40, 2007983), (191, 420520), (382, 210260), (764, 105130), (955, 84104), (1528, 52565), (1910, 42052), (3820, 21026), (7640, 10513)]