90445420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{26759}}^1$

素因数の和:26794

約数の個数: 36

約数和(自身を含む): 205677360

約数和(自身を除く): 115231940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 26759, 53518, 107036, 133795, 267590, 347867, 535180, 695734, 1391468, 1739335, 3478670, 4522271, 6957340, 9044542, 18089084, 22611355, 45222710, 90445420]

約数ペア:

[(1, 90445420), (2, 45222710), (4, 22611355), (5, 18089084), (10, 9044542), (13, 6957340), (20, 4522271), (26, 3478670), (52, 1739335), (65, 1391468), (130, 695734), (169, 535180), (260, 347867), (338, 267590), (676, 133795), (845, 107036), (1690, 53518), (3380, 26759)]