2008778840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{229}}^1\times {\mathrm{5927}}^1$

素因数の和:6204

約数の個数: 64

約数和(自身を含む): 4662964800

約数和(自身を除く): 2654185960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 229, 296, 370, 458, 740, 916, 1145, 1480, 1832, 2290, 4580, 5927, 8473, 9160, 11854, 16946, 23708, 29635, 33892, 42365, 47416, 59270, 67784, 84730, 118540, 169460, 219299, 237080, 338920, 438598, 877196, 1096495, 1357283, 1754392, 2192990, 2714566, 4385980, 5429132, 6786415, 8771960, 10858264, 13572830, 27145660, 50219471, 54291320, 100438942, 200877884, 251097355, 401755768, 502194710, 1004389420, 2008778840]

約数ペア:

[(1, 2008778840), (2, 1004389420), (4, 502194710), (5, 401755768), (8, 251097355), (10, 200877884), (20, 100438942), (37, 54291320), (40, 50219471), (74, 27145660), (148, 13572830), (185, 10858264), (229, 8771960), (296, 6786415), (370, 5429132), (458, 4385980), (740, 2714566), (916, 2192990), (1145, 1754392), (1480, 1357283), (1832, 1096495), (2290, 877196), (4580, 438598), (5927, 338920), (8473, 237080), (9160, 219299), (11854, 169460), (16946, 118540), (23708, 84730), (29635, 67784), (33892, 59270), (42365, 47416)]