520079820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666769}}^1$

素因数の和:666794

約数の個数: 48

約数和(自身を含む): 1568243040

約数和(自身を除く): 1048163220

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, 666769, 1333538, 2000307, 2667076, 3333845, 4000614, 6667690, 8001228, 8667997, 10001535, 13335380, 17335994, 20003070, 26003991, 34671988, 40006140, 43339985, 52007982, 86679970, 104015964, 130019955, 173359940, 260039910, 520079820]

約数ペア:

[(1, 520079820), (2, 260039910), (3, 173359940), (4, 130019955), (5, 104015964), (6, 86679970), (10, 52007982), (12, 43339985), (13, 40006140), (15, 34671988), (20, 26003991), (26, 20003070), (30, 17335994), (39, 13335380), (52, 10001535), (60, 8667997), (65, 8001228), (78, 6667690), (130, 4000614), (156, 3333845), (195, 2667076), (260, 2000307), (390, 1333538), (780, 666769)]