80195480

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1429}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 191505600

約数和(自身を除く): 111310120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 305, 460, 488, 610, 920, 1220, 1403, 1429, 2440, 2806, 2858, 5612, 5716, 7015, 7145, 11224, 11432, 14030, 14290, 28060, 28580, 32867, 56120, 57160, 65734, 87169, 131468, 164335, 174338, 262936, 328670, 348676, 435845, 657340, 697352, 871690, 1314680, 1743380, 2004887, 3486760, 4009774, 8019548, 10024435, 16039096, 20048870, 40097740, 80195480]

約数ペア:

[(1, 80195480), (2, 40097740), (4, 20048870), (5, 16039096), (8, 10024435), (10, 8019548), (20, 4009774), (23, 3486760), (40, 2004887), (46, 1743380), (61, 1314680), (92, 871690), (115, 697352), (122, 657340), (184, 435845), (230, 348676), (244, 328670), (305, 262936), (460, 174338), (488, 164335), (610, 131468), (920, 87169), (1220, 65734), (1403, 57160), (1429, 56120), (2440, 32867), (2806, 28580), (2858, 28060), (5612, 14290), (5716, 14030), (7015, 11432), (7145, 11224)]