85980320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{28283}}^1$

素因数の和:28317

約数の個数: 48

約数和(自身を含む): 213827040

約数和(自身を除く): 127846720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 28283, 56566, 113132, 141415, 226264, 282830, 452528, 537377, 565660, 905056, 1074754, 1131320, 2149508, 2262640, 2686885, 4299016, 4525280, 5373770, 8598032, 10747540, 17196064, 21495080, 42990160, 85980320]

約数ペア:

[(1, 85980320), (2, 42990160), (4, 21495080), (5, 17196064), (8, 10747540), (10, 8598032), (16, 5373770), (19, 4525280), (20, 4299016), (32, 2686885), (38, 2262640), (40, 2149508), (76, 1131320), (80, 1074754), (95, 905056), (152, 565660), (160, 537377), (190, 452528), (304, 282830), (380, 226264), (608, 141415), (760, 113132), (1520, 56566), (3040, 28283)]