155856450040

素因数分解:

$2^3\times 5^1\times {\mathrm{13217}}^1\times {\mathrm{294803}}^1$

素因数の和:308031

約数の個数: 32

約数和(自身を含む): 350704734480

約数和(自身を除く): 194848284440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 13217, 26434, 52868, 66085, 105736, 132170, 264340, 294803, 528680, 589606, 1179212, 1474015, 2358424, 2948030, 5896060, 11792120, 3896411251, 7792822502, 15585645004, 19482056255, 31171290008, 38964112510, 77928225020, 155856450040]

約数ペア:

[(1, 155856450040), (2, 77928225020), (4, 38964112510), (5, 31171290008), (8, 19482056255), (10, 15585645004), (20, 7792822502), (40, 3896411251), (13217, 11792120), (26434, 5896060), (52868, 2948030), (66085, 2358424), (105736, 1474015), (132170, 1179212), (264340, 589606), (294803, 528680)]