53985880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:269

約数の個数: 128

約数和(自身を含む): 143700480

約数和(自身を除く): 89714600

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 31, 34, 40, 52, 62, 65, 68, 85, 104, 124, 130, 136, 155, 170, 197, 221, 248, 260, 310, 340, 394, 403, 442, 520, 527, 620, 680, 788, 806, 884, 985, 1054, 1105, 1240, 1576, 1612, 1768, 1970, 2015, 2108, 2210, 2561, 2635, 3224, 3349, 3940, 4030, 4216, 4420, 5122, 5270, 6107, 6698, 6851, 7880, 8060, 8840, 10244, 10540, 12214, 12805, 13396, 13702, 16120, 16745, 20488, 21080, 24428, 25610, 26792, 27404, 30535, 33490, 34255, 43537, 48856, 51220, 54808, 61070, 66980, 68510, 79391, 87074, 102440, 103819, 122140, 133960, 137020, 158782, 174148, 207638, 217685, 244280, 274040, 317564, 348296, 396955, 415276, 435370, 519095, 635128, 793910, 830552, 870740, 1038190, 1349647, 1587820, 1741480, 2076380, 2699294, 3175640, 4152760, 5398588, 6748235, 10797176, 13496470, 26992940, 53985880]

約数ペア:

[(1, 53985880), (2, 26992940), (4, 13496470), (5, 10797176), (8, 6748235), (10, 5398588), (13, 4152760), (17, 3175640), (20, 2699294), (26, 2076380), (31, 1741480), (34, 1587820), (40, 1349647), (52, 1038190), (62, 870740), (65, 830552), (68, 793910), (85, 635128), (104, 519095), (124, 435370), (130, 415276), (136, 396955), (155, 348296), (170, 317564), (197, 274040), (221, 244280), (248, 217685), (260, 207638), (310, 174148), (340, 158782), (394, 137020), (403, 133960), (442, 122140), (520, 103819), (527, 102440), (620, 87074), (680, 79391), (788, 68510), (806, 66980), (884, 61070), (985, 54808), (1054, 51220), (1105, 48856), (1240, 43537), (1576, 34255), (1612, 33490), (1768, 30535), (1970, 27404), (2015, 26792), (2108, 25610), (2210, 24428), (2561, 21080), (2635, 20488), (3224, 16745), (3349, 16120), (3940, 13702), (4030, 13396), (4216, 12805), (4420, 12214), (5122, 10540), (5270, 10244), (6107, 8840), (6698, 8060), (6851, 7880)]