82158640

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4297}}^1$

素因数の和:4549

約数の個数: 40

約数和(自身を含む): 191862720

約数和(自身を除く): 109704080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1195, 1912, 2390, 3824, 4297, 4780, 8594, 9560, 17188, 19120, 21485, 34376, 42970, 68752, 85940, 171880, 343760, 1026983, 2053966, 4107932, 5134915, 8215864, 10269830, 16431728, 20539660, 41079320, 82158640]

約数ペア:

[(1, 82158640), (2, 41079320), (4, 20539660), (5, 16431728), (8, 10269830), (10, 8215864), (16, 5134915), (20, 4107932), (40, 2053966), (80, 1026983), (239, 343760), (478, 171880), (956, 85940), (1195, 68752), (1912, 42970), (2390, 34376), (3824, 21485), (4297, 19120), (4780, 17188), (8594, 9560)]