66061840

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{63521}}^1$

素因数の和:63547

約数の個数: 40

約数和(自身を含む): 165411288

約数和(自身を除く): 99349448

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 63521, 127042, 254084, 317605, 508168, 635210, 825773, 1016336, 1270420, 1651546, 2540840, 3303092, 4128865, 5081680, 6606184, 8257730, 13212368, 16515460, 33030920, 66061840]

約数ペア:

[(1, 66061840), (2, 33030920), (4, 16515460), (5, 13212368), (8, 8257730), (10, 6606184), (13, 5081680), (16, 4128865), (20, 3303092), (26, 2540840), (40, 1651546), (52, 1270420), (65, 1016336), (80, 825773), (104, 635210), (130, 508168), (208, 317605), (260, 254084), (520, 127042), (1040, 63521)]