82706020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{349}}^1$

素因数の和:433

約数の個数: 72

約数和(自身を含む): 189541800

約数和(自身を除く): 106835780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 289, 340, 349, 410, 578, 697, 698, 820, 1156, 1394, 1396, 1445, 1745, 2788, 2890, 3485, 3490, 5780, 5933, 6970, 6980, 11849, 11866, 13940, 14309, 23698, 23732, 28618, 29665, 47396, 57236, 59245, 59330, 71545, 100861, 118490, 118660, 143090, 201722, 236980, 243253, 286180, 403444, 486506, 504305, 973012, 1008610, 1216265, 2017220, 2432530, 4135301, 4865060, 8270602, 16541204, 20676505, 41353010, 82706020]

約数ペア:

[(1, 82706020), (2, 41353010), (4, 20676505), (5, 16541204), (10, 8270602), (17, 4865060), (20, 4135301), (34, 2432530), (41, 2017220), (68, 1216265), (82, 1008610), (85, 973012), (164, 504305), (170, 486506), (205, 403444), (289, 286180), (340, 243253), (349, 236980), (410, 201722), (578, 143090), (697, 118660), (698, 118490), (820, 100861), (1156, 71545), (1394, 59330), (1396, 59245), (1445, 57236), (1745, 47396), (2788, 29665), (2890, 28618), (3485, 23732), (3490, 23698), (5780, 14309), (5933, 13940), (6970, 11866), (6980, 11849)]