90225440

素因数分解:

$2^5\times 5^1\times {\mathrm{619}}^1\times {\mathrm{911}}^1$

素因数の和:1545

約数の個数: 48

約数和(自身を含む): 213736320

約数和(自身を除く): 123510880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 619, 911, 1238, 1822, 2476, 3095, 3644, 4555, 4952, 6190, 7288, 9110, 9904, 12380, 14576, 18220, 19808, 24760, 29152, 36440, 49520, 72880, 99040, 145760, 563909, 1127818, 2255636, 2819545, 4511272, 5639090, 9022544, 11278180, 18045088, 22556360, 45112720, 90225440]

約数ペア:

[(1, 90225440), (2, 45112720), (4, 22556360), (5, 18045088), (8, 11278180), (10, 9022544), (16, 5639090), (20, 4511272), (32, 2819545), (40, 2255636), (80, 1127818), (160, 563909), (619, 145760), (911, 99040), (1238, 72880), (1822, 49520), (2476, 36440), (3095, 29152), (3644, 24760), (4555, 19808), (4952, 18220), (6190, 14576), (7288, 12380), (9110, 9904)]