18405280360

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2789}}^1\times {\mathrm{5689}}^1$

素因数の和:8518

約数の個数: 64

約数和(自身を含む): 42862770000

約数和(自身を除く): 24457489640

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 2789, 5578, 5689, 11156, 11378, 13945, 22312, 22756, 27890, 28445, 45512, 55780, 56890, 80881, 111560, 113780, 161762, 164981, 227560, 323524, 329962, 404405, 647048, 659924, 808810, 824905, 1319848, 1617620, 1649810, 3235240, 3299620, 6599240, 15866621, 31733242, 63466484, 79333105, 126932968, 158666210, 317332420, 460132009, 634664840, 920264018, 1840528036, 2300660045, 3681056072, 4601320090, 9202640180, 18405280360]

約数ペア:

[(1, 18405280360), (2, 9202640180), (4, 4601320090), (5, 3681056072), (8, 2300660045), (10, 1840528036), (20, 920264018), (29, 634664840), (40, 460132009), (58, 317332420), (116, 158666210), (145, 126932968), (232, 79333105), (290, 63466484), (580, 31733242), (1160, 15866621), (2789, 6599240), (5578, 3299620), (5689, 3235240), (11156, 1649810), (11378, 1617620), (13945, 1319848), (22312, 824905), (22756, 808810), (27890, 659924), (28445, 647048), (45512, 404405), (55780, 329962), (56890, 323524), (80881, 227560), (111560, 164981), (113780, 161762)]