1205940920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{972533}}^1$

素因数の和:972575

約数の個数: 32

約数和(自身を含む): 2800897920

約数和(自身を除く): 1594957000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 972533, 1945066, 3890132, 4862665, 7780264, 9725330, 19450660, 30148523, 38901320, 60297046, 120594092, 150742615, 241188184, 301485230, 602970460, 1205940920]

約数ペア:

[(1, 1205940920), (2, 602970460), (4, 301485230), (5, 241188184), (8, 150742615), (10, 120594092), (20, 60297046), (31, 38901320), (40, 30148523), (62, 19450660), (124, 9725330), (155, 7780264), (248, 4862665), (310, 3890132), (620, 1945066), (1240, 972533)]