71172280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{57397}}^1$

素因数の和:57439

約数の個数: 32

約数和(自身を含む): 165306240

約数和(自身を除く): 94133960

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 57397, 114794, 229588, 286985, 459176, 573970, 1147940, 1779307, 2295880, 3558614, 7117228, 8896535, 14234456, 17793070, 35586140, 71172280]

約数ペア:

[(1, 71172280), (2, 35586140), (4, 17793070), (5, 14234456), (8, 8896535), (10, 7117228), (20, 3558614), (31, 2295880), (40, 1779307), (62, 1147940), (124, 573970), (155, 459176), (248, 286985), (310, 229588), (620, 114794), (1240, 57397)]