98638580

素因数分解:

$2^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{18199}}^1$

素因数の和:18479

約数の個数: 24

約数和(自身を含む): 207916800

約数和(自身を除く): 109278220

約数列:

[1, 2, 4, 5, 10, 20, 271, 542, 1084, 1355, 2710, 5420, 18199, 36398, 72796, 90995, 181990, 363980, 4931929, 9863858, 19727716, 24659645, 49319290, 98638580]

約数ペア:

[(1, 98638580), (2, 49319290), (4, 24659645), (5, 19727716), (10, 9863858), (20, 4931929), (271, 363980), (542, 181990), (1084, 90995), (1355, 72796), (2710, 36398), (5420, 18199)]