39116740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1$

素因数の和:269

約数の個数: 72

約数和(自身を含む): 90756288

約数和(自身を除く): 51639548

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 163, 169, 260, 284, 326, 338, 355, 652, 676, 710, 815, 845, 923, 1420, 1630, 1690, 1846, 2119, 3260, 3380, 3692, 4238, 4615, 8476, 9230, 10595, 11573, 11999, 18460, 21190, 23146, 23998, 27547, 42380, 46292, 47996, 55094, 57865, 59995, 110188, 115730, 119990, 137735, 150449, 231460, 239980, 275470, 300898, 550940, 601796, 752245, 1504490, 1955837, 3008980, 3911674, 7823348, 9779185, 19558370, 39116740]

約数ペア:

[(1, 39116740), (2, 19558370), (4, 9779185), (5, 7823348), (10, 3911674), (13, 3008980), (20, 1955837), (26, 1504490), (52, 752245), (65, 601796), (71, 550940), (130, 300898), (142, 275470), (163, 239980), (169, 231460), (260, 150449), (284, 137735), (326, 119990), (338, 115730), (355, 110188), (652, 59995), (676, 57865), (710, 55094), (815, 47996), (845, 46292), (923, 42380), (1420, 27547), (1630, 23998), (1690, 23146), (1846, 21190), (2119, 18460), (3260, 11999), (3380, 11573), (3692, 10595), (4238, 9230), (4615, 8476)]