65987480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1123}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 161451360

約数和(自身を除く): 95463880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 452, 520, 565, 904, 1123, 1130, 1469, 2246, 2260, 2938, 4492, 4520, 5615, 5876, 7345, 8984, 11230, 11752, 14599, 14690, 22460, 29198, 29380, 44920, 58396, 58760, 72995, 116792, 126899, 145990, 253798, 291980, 507596, 583960, 634495, 1015192, 1268990, 1649687, 2537980, 3299374, 5075960, 6598748, 8248435, 13197496, 16496870, 32993740, 65987480]

約数ペア:

[(1, 65987480), (2, 32993740), (4, 16496870), (5, 13197496), (8, 8248435), (10, 6598748), (13, 5075960), (20, 3299374), (26, 2537980), (40, 1649687), (52, 1268990), (65, 1015192), (104, 634495), (113, 583960), (130, 507596), (226, 291980), (260, 253798), (452, 145990), (520, 126899), (565, 116792), (904, 72995), (1123, 58760), (1130, 58396), (1469, 44920), (2246, 29380), (2260, 29198), (2938, 22460), (4492, 14690), (4520, 14599), (5615, 11752), (5876, 11230), (7345, 8984)]