2008127300

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{647783}}^1$

素因数の和:647828

約数の個数: 36

約数和(自身を含む): 4498212096

約数和(自身を除く): 2490084796

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 155, 310, 620, 775, 1550, 3100, 647783, 1295566, 2591132, 3238915, 6477830, 12955660, 16194575, 20081273, 32389150, 40162546, 64778300, 80325092, 100406365, 200812730, 401625460, 502031825, 1004063650, 2008127300]

約数ペア:

[(1, 2008127300), (2, 1004063650), (4, 502031825), (5, 401625460), (10, 200812730), (20, 100406365), (25, 80325092), (31, 64778300), (50, 40162546), (62, 32389150), (100, 20081273), (124, 16194575), (155, 12955660), (310, 6477830), (620, 3238915), (775, 2591132), (1550, 1295566), (3100, 647783)]