80195120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{58967}}^1$

素因数の和:58997

約数の個数: 40

約数和(自身を含む): 197424864

約数和(自身を除く): 117229744

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 58967, 117934, 235868, 294835, 471736, 589670, 943472, 1002439, 1179340, 2004878, 2358680, 4009756, 4717360, 5012195, 8019512, 10024390, 16039024, 20048780, 40097560, 80195120]

約数ペア:

[(1, 80195120), (2, 40097560), (4, 20048780), (5, 16039024), (8, 10024390), (10, 8019512), (16, 5012195), (17, 4717360), (20, 4009756), (34, 2358680), (40, 2004878), (68, 1179340), (80, 1002439), (85, 943472), (136, 589670), (170, 471736), (272, 294835), (340, 235868), (680, 117934), (1360, 58967)]