61378840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{90263}}^1$

素因数の和:90291

約数の個数: 32

約数和(自身を含む): 146227680

約数和(自身を除く): 84848840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 90263, 180526, 361052, 451315, 722104, 902630, 1534471, 1805260, 3068942, 3610520, 6137884, 7672355, 12275768, 15344710, 30689420, 61378840]

約数ペア:

[(1, 61378840), (2, 30689420), (4, 15344710), (5, 12275768), (8, 7672355), (10, 6137884), (17, 3610520), (20, 3068942), (34, 1805260), (40, 1534471), (68, 902630), (85, 722104), (136, 451315), (170, 361052), (340, 180526), (680, 90263)]