23561980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{6971}}^1$

素因数の和:7006

約数の個数: 36

約数和(自身を含む): 53586792

約数和(自身を除く): 30024812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 6971, 13942, 27884, 34855, 69710, 90623, 139420, 181246, 362492, 453115, 906230, 1178099, 1812460, 2356198, 4712396, 5890495, 11780990, 23561980]

約数ペア:

[(1, 23561980), (2, 11780990), (4, 5890495), (5, 4712396), (10, 2356198), (13, 1812460), (20, 1178099), (26, 906230), (52, 453115), (65, 362492), (130, 181246), (169, 139420), (260, 90623), (338, 69710), (676, 34855), (845, 27884), (1690, 13942), (3380, 6971)]