22162520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1$

素因数の和:396

約数の個数: 64

約数和(自身を含む): 52496640

約数和(自身を除く): 30334120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 293, 305, 310, 488, 586, 610, 620, 1172, 1220, 1240, 1465, 1891, 2344, 2440, 2930, 3782, 5860, 7564, 9083, 9455, 11720, 15128, 17873, 18166, 18910, 35746, 36332, 37820, 45415, 71492, 72664, 75640, 89365, 90830, 142984, 178730, 181660, 357460, 363320, 554063, 714920, 1108126, 2216252, 2770315, 4432504, 5540630, 11081260, 22162520]

約数ペア:

[(1, 22162520), (2, 11081260), (4, 5540630), (5, 4432504), (8, 2770315), (10, 2216252), (20, 1108126), (31, 714920), (40, 554063), (61, 363320), (62, 357460), (122, 181660), (124, 178730), (155, 142984), (244, 90830), (248, 89365), (293, 75640), (305, 72664), (310, 71492), (488, 45415), (586, 37820), (610, 36332), (620, 35746), (1172, 18910), (1220, 18166), (1240, 17873), (1465, 15128), (1891, 11720), (2344, 9455), (2440, 9083), (2930, 7564), (3782, 5860)]