168094940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{646519}}^1$

素因数の和:646541

約数の個数: 24

約数和(自身を含む): 380153760

約数和(自身を除く): 212058820

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 646519, 1293038, 2586076, 3232595, 6465190, 8404747, 12930380, 16809494, 33618988, 42023735, 84047470, 168094940]

約数ペア:

[(1, 168094940), (2, 84047470), (4, 42023735), (5, 33618988), (10, 16809494), (13, 12930380), (20, 8404747), (26, 6465190), (52, 3232595), (65, 2586076), (130, 1293038), (260, 646519)]