82961680

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4339}}^1$

素因数の和:4591

約数の個数: 40

約数和(自身を含む): 193737600

約数和(自身を除く): 110775920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4339, 4780, 8678, 9560, 17356, 19120, 21695, 34712, 43390, 69424, 86780, 173560, 347120, 1037021, 2074042, 4148084, 5185105, 8296168, 10370210, 16592336, 20740420, 41480840, 82961680]

約数ペア:

[(1, 82961680), (2, 41480840), (4, 20740420), (5, 16592336), (8, 10370210), (10, 8296168), (16, 5185105), (20, 4148084), (40, 2074042), (80, 1037021), (239, 347120), (478, 173560), (956, 86780), (1195, 69424), (1912, 43390), (2390, 34712), (3824, 21695), (4339, 19120), (4780, 17356), (8678, 9560)]