86265820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{727}}^1$

素因数の和:1102

約数の個数: 48

約数和(自身を含む): 192628800

約数和(自身を除く): 106362980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 349, 698, 727, 1396, 1454, 1745, 2908, 3490, 3635, 5933, 6980, 7270, 11866, 12359, 14540, 23732, 24718, 29665, 49436, 59330, 61795, 118660, 123590, 247180, 253723, 507446, 1014892, 1268615, 2537230, 4313291, 5074460, 8626582, 17253164, 21566455, 43132910, 86265820]

約数ペア:

[(1, 86265820), (2, 43132910), (4, 21566455), (5, 17253164), (10, 8626582), (17, 5074460), (20, 4313291), (34, 2537230), (68, 1268615), (85, 1014892), (170, 507446), (340, 253723), (349, 247180), (698, 123590), (727, 118660), (1396, 61795), (1454, 59330), (1745, 49436), (2908, 29665), (3490, 24718), (3635, 23732), (5933, 14540), (6980, 12359), (7270, 11866)]