39745940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{2591}}^1$

素因数の和:2672

約数の個数: 48

約数和(自身を含む): 91445760

約数和(自身を除く): 51699820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 59, 65, 118, 130, 236, 260, 295, 590, 767, 1180, 1534, 2591, 3068, 3835, 5182, 7670, 10364, 12955, 15340, 25910, 33683, 51820, 67366, 134732, 152869, 168415, 305738, 336830, 611476, 673660, 764345, 1528690, 1987297, 3057380, 3974594, 7949188, 9936485, 19872970, 39745940]

約数ペア:

[(1, 39745940), (2, 19872970), (4, 9936485), (5, 7949188), (10, 3974594), (13, 3057380), (20, 1987297), (26, 1528690), (52, 764345), (59, 673660), (65, 611476), (118, 336830), (130, 305738), (236, 168415), (260, 152869), (295, 134732), (590, 67366), (767, 51820), (1180, 33683), (1534, 25910), (2591, 15340), (3068, 12955), (3835, 10364), (5182, 7670)]