87417520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{349}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 212486400

約数和(自身を除く): 125068880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 349, 404, 496, 505, 620, 698, 808, 1010, 1240, 1396, 1616, 1745, 2020, 2480, 2792, 3131, 3490, 4040, 5584, 6262, 6980, 8080, 10819, 12524, 13960, 15655, 21638, 25048, 27920, 31310, 35249, 43276, 50096, 54095, 62620, 70498, 86552, 108190, 125240, 140996, 173104, 176245, 216380, 250480, 281992, 352490, 432760, 563984, 704980, 865520, 1092719, 1409960, 2185438, 2819920, 4370876, 5463595, 8741752, 10927190, 17483504, 21854380, 43708760, 87417520]

約数ペア:

[(1, 87417520), (2, 43708760), (4, 21854380), (5, 17483504), (8, 10927190), (10, 8741752), (16, 5463595), (20, 4370876), (31, 2819920), (40, 2185438), (62, 1409960), (80, 1092719), (101, 865520), (124, 704980), (155, 563984), (202, 432760), (248, 352490), (310, 281992), (349, 250480), (404, 216380), (496, 176245), (505, 173104), (620, 140996), (698, 125240), (808, 108190), (1010, 86552), (1240, 70498), (1396, 62620), (1616, 54095), (1745, 50096), (2020, 43276), (2480, 35249), (2792, 31310), (3131, 27920), (3490, 25048), (4040, 21638), (5584, 15655), (6262, 13960), (6980, 12524), (8080, 10819)]