52568750

素因数分解:

$2^1\times 5^5\times {\mathrm{13}}^1\times {\mathrm{647}}^1$

素因数の和:687

約数の個数: 48

約数和(自身を含む): 106305696

約数和(自身を除く): 53736946

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 647, 650, 1250, 1294, 1625, 3125, 3235, 3250, 6250, 6470, 8125, 8411, 16175, 16250, 16822, 32350, 40625, 42055, 80875, 81250, 84110, 161750, 210275, 404375, 420550, 808750, 1051375, 2021875, 2102750, 4043750, 5256875, 10513750, 26284375, 52568750]

約数ペア:

[(1, 52568750), (2, 26284375), (5, 10513750), (10, 5256875), (13, 4043750), (25, 2102750), (26, 2021875), (50, 1051375), (65, 808750), (125, 420550), (130, 404375), (250, 210275), (325, 161750), (625, 84110), (647, 81250), (650, 80875), (1250, 42055), (1294, 40625), (1625, 32350), (3125, 16822), (3235, 16250), (3250, 16175), (6250, 8411), (6470, 8125)]