86522020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 204906240

約数和(自身を除く): 118384220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 71, 86, 109, 130, 142, 172, 215, 218, 260, 284, 355, 430, 436, 545, 559, 710, 860, 923, 1090, 1118, 1417, 1420, 1846, 2180, 2236, 2795, 2834, 3053, 3692, 4615, 4687, 5590, 5668, 6106, 7085, 7739, 9230, 9374, 11180, 12212, 14170, 15265, 15478, 18460, 18748, 23435, 28340, 30530, 30956, 38695, 39689, 46870, 60931, 61060, 77390, 79378, 93740, 100607, 121862, 154780, 158756, 198445, 201214, 243724, 304655, 332777, 396890, 402428, 503035, 609310, 665554, 793780, 1006070, 1218620, 1331108, 1663885, 2012140, 3327770, 4326101, 6655540, 8652202, 17304404, 21630505, 43261010, 86522020]

約数ペア:

[(1, 86522020), (2, 43261010), (4, 21630505), (5, 17304404), (10, 8652202), (13, 6655540), (20, 4326101), (26, 3327770), (43, 2012140), (52, 1663885), (65, 1331108), (71, 1218620), (86, 1006070), (109, 793780), (130, 665554), (142, 609310), (172, 503035), (215, 402428), (218, 396890), (260, 332777), (284, 304655), (355, 243724), (430, 201214), (436, 198445), (545, 158756), (559, 154780), (710, 121862), (860, 100607), (923, 93740), (1090, 79378), (1118, 77390), (1417, 61060), (1420, 60931), (1846, 46870), (2180, 39689), (2236, 38695), (2795, 30956), (2834, 30530), (3053, 28340), (3692, 23435), (4615, 18748), (4687, 18460), (5590, 15478), (5668, 15265), (6106, 14170), (7085, 12212), (7739, 11180), (9230, 9374)]