102571820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{394507}}^1$

素因数の和:394529

約数の個数: 24

約数和(自身を含む): 231970704

約数和(自身を除く): 129398884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 394507, 789014, 1578028, 1972535, 3945070, 5128591, 7890140, 10257182, 20514364, 25642955, 51285910, 102571820]

約数ペア:

[(1, 102571820), (2, 51285910), (4, 25642955), (5, 20514364), (10, 10257182), (13, 7890140), (20, 5128591), (26, 3945070), (52, 1972535), (65, 1578028), (130, 789014), (260, 394507)]