201087080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:930

約数の個数: 64

約数和(自身を含む): 469601280

約数和(自身を除く): 268514200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 257, 310, 514, 620, 631, 1028, 1240, 1262, 1285, 2056, 2524, 2570, 3155, 5048, 5140, 6310, 7967, 10280, 12620, 15934, 19561, 25240, 31868, 39122, 39835, 63736, 78244, 79670, 97805, 156488, 159340, 162167, 195610, 318680, 324334, 391220, 648668, 782440, 810835, 1297336, 1621670, 3243340, 5027177, 6486680, 10054354, 20108708, 25135885, 40217416, 50271770, 100543540, 201087080]

約数ペア:

[(1, 201087080), (2, 100543540), (4, 50271770), (5, 40217416), (8, 25135885), (10, 20108708), (20, 10054354), (31, 6486680), (40, 5027177), (62, 3243340), (124, 1621670), (155, 1297336), (248, 810835), (257, 782440), (310, 648668), (514, 391220), (620, 324334), (631, 318680), (1028, 195610), (1240, 162167), (1262, 159340), (1285, 156488), (2056, 97805), (2524, 79670), (2570, 78244), (3155, 63736), (5048, 39835), (5140, 39122), (6310, 31868), (7967, 25240), (10280, 19561), (12620, 15934)]