520121940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666823}}^1$

素因数の和:666848

約数の個数: 48

約数和(自身を含む): 1568370048

約数和(自身を除く): 1048248108

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 666823, 1333646, 2000469, 2667292, 3334115, 4000938, 6668230, 8001876, 8668699, 10002345, 13336460, 17337398, 20004690, 26006097, 34674796, 40009380, 43343495, 52012194, 86686990, 104024388, 130030485, 173373980, 260060970, 520121940]

約数ペア:

[(1, 520121940), (2, 260060970), (3, 173373980), (4, 130030485), (5, 104024388), (6, 86686990), (10, 52012194), (12, 43343495), (13, 40009380), (15, 34674796), (20, 26006097), (26, 20004690), (30, 17337398), (39, 13336460), (52, 10002345), (60, 8668699), (65, 8001876), (78, 6668230), (130, 4000938), (156, 3334115), (195, 2667292), (260, 2000469), (390, 1333646), (780, 666823)]