87387760

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 211986432

約数和(自身を除く): 124598672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 167, 211, 248, 310, 334, 422, 496, 620, 668, 835, 844, 1055, 1240, 1336, 1670, 1688, 2110, 2480, 2672, 3340, 3376, 4220, 5177, 6541, 6680, 8440, 10354, 13082, 13360, 16880, 20708, 25885, 26164, 32705, 35237, 41416, 51770, 52328, 65410, 70474, 82832, 103540, 104656, 130820, 140948, 176185, 207080, 261640, 281896, 352370, 414160, 523280, 563792, 704740, 1092347, 1409480, 2184694, 2818960, 4369388, 5461735, 8738776, 10923470, 17477552, 21846940, 43693880, 87387760]

約数ペア:

[(1, 87387760), (2, 43693880), (4, 21846940), (5, 17477552), (8, 10923470), (10, 8738776), (16, 5461735), (20, 4369388), (31, 2818960), (40, 2184694), (62, 1409480), (80, 1092347), (124, 704740), (155, 563792), (167, 523280), (211, 414160), (248, 352370), (310, 281896), (334, 261640), (422, 207080), (496, 176185), (620, 140948), (668, 130820), (835, 104656), (844, 103540), (1055, 82832), (1240, 70474), (1336, 65410), (1670, 52328), (1688, 51770), (2110, 41416), (2480, 35237), (2672, 32705), (3340, 26164), (3376, 25885), (4220, 20708), (5177, 16880), (6541, 13360), (6680, 13082), (8440, 10354)]