86810120

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1231}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 204906240

約数和(自身を除く): 118096120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1231, 1640, 1720, 1763, 2462, 3526, 4924, 6155, 7052, 8815, 9848, 12310, 14104, 17630, 24620, 35260, 49240, 50471, 52933, 70520, 100942, 105866, 201884, 211732, 252355, 264665, 403768, 423464, 504710, 529330, 1009420, 1058660, 2018840, 2117320, 2170253, 4340506, 8681012, 10851265, 17362024, 21702530, 43405060, 86810120]

約数ペア:

[(1, 86810120), (2, 43405060), (4, 21702530), (5, 17362024), (8, 10851265), (10, 8681012), (20, 4340506), (40, 2170253), (41, 2117320), (43, 2018840), (82, 1058660), (86, 1009420), (164, 529330), (172, 504710), (205, 423464), (215, 403768), (328, 264665), (344, 252355), (410, 211732), (430, 201884), (820, 105866), (860, 100942), (1231, 70520), (1640, 52933), (1720, 50471), (1763, 49240), (2462, 35260), (3526, 24620), (4924, 17630), (6155, 14104), (7052, 12310), (8815, 9848)]