16738960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:512

約数の個数: 80

約数和(自身を含む): 45211392

約数和(自身を除く): 28472432

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 421, 497, 560, 568, 710, 842, 994, 1136, 1420, 1684, 1988, 2105, 2485, 2840, 2947, 3368, 3976, 4210, 4970, 5680, 5894, 6736, 7952, 8420, 9940, 11788, 14735, 16840, 19880, 23576, 29470, 29891, 33680, 39760, 47152, 58940, 59782, 117880, 119564, 149455, 209237, 235760, 239128, 298910, 418474, 478256, 597820, 836948, 1046185, 1195640, 1673896, 2092370, 2391280, 3347792, 4184740, 8369480, 16738960]

約数ペア:

[(1, 16738960), (2, 8369480), (4, 4184740), (5, 3347792), (7, 2391280), (8, 2092370), (10, 1673896), (14, 1195640), (16, 1046185), (20, 836948), (28, 597820), (35, 478256), (40, 418474), (56, 298910), (70, 239128), (71, 235760), (80, 209237), (112, 149455), (140, 119564), (142, 117880), (280, 59782), (284, 58940), (355, 47152), (421, 39760), (497, 33680), (560, 29891), (568, 29470), (710, 23576), (842, 19880), (994, 16840), (1136, 14735), (1420, 11788), (1684, 9940), (1988, 8420), (2105, 7952), (2485, 6736), (2840, 5894), (2947, 5680), (3368, 4970), (3976, 4210)]