72940609820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{7901}}^1\times {\mathrm{35507}}^1$

素因数の和:43430

約数の個数: 48

約数和(自身を含む): 164983519008

約数和(自身を除く): 92042909188

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 7901, 15802, 31604, 35507, 39505, 71014, 79010, 102713, 142028, 158020, 177535, 205426, 355070, 410852, 461591, 513565, 710140, 923182, 1027130, 1846364, 2054260, 2307955, 4615910, 9231820, 280540807, 561081614, 1122163228, 1402704035, 2805408070, 3647030491, 5610816140, 7294060982, 14588121964, 18235152455, 36470304910, 72940609820]

約数ペア:

[(1, 72940609820), (2, 36470304910), (4, 18235152455), (5, 14588121964), (10, 7294060982), (13, 5610816140), (20, 3647030491), (26, 2805408070), (52, 1402704035), (65, 1122163228), (130, 561081614), (260, 280540807), (7901, 9231820), (15802, 4615910), (31604, 2307955), (35507, 2054260), (39505, 1846364), (71014, 1027130), (79010, 923182), (102713, 710140), (142028, 513565), (158020, 461591), (177535, 410852), (205426, 355070)]