83187880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{919}}^1$

素因数の和:1034

約数の個数: 64

約数和(自身を含む): 196070400

約数和(自身を除く): 112882520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 919, 1240, 1460, 1838, 2263, 2920, 3676, 4526, 4595, 7352, 9052, 9190, 11315, 18104, 18380, 22630, 28489, 36760, 45260, 56978, 67087, 90520, 113956, 134174, 142445, 227912, 268348, 284890, 335435, 536696, 569780, 670870, 1139560, 1341740, 2079697, 2683480, 4159394, 8318788, 10398485, 16637576, 20796970, 41593940, 83187880]

約数ペア:

[(1, 83187880), (2, 41593940), (4, 20796970), (5, 16637576), (8, 10398485), (10, 8318788), (20, 4159394), (31, 2683480), (40, 2079697), (62, 1341740), (73, 1139560), (124, 670870), (146, 569780), (155, 536696), (248, 335435), (292, 284890), (310, 268348), (365, 227912), (584, 142445), (620, 134174), (730, 113956), (919, 90520), (1240, 67087), (1460, 56978), (1838, 45260), (2263, 36760), (2920, 28489), (3676, 22630), (4526, 18380), (4595, 18104), (7352, 11315), (9052, 9190)]