8684650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 48

約数和(自身を含む): 17998848

約数和(自身を除く): 9314198

約数列:

[1, 2, 5, 10, 13, 25, 26, 31, 50, 62, 65, 130, 155, 310, 325, 403, 431, 650, 775, 806, 862, 1550, 2015, 2155, 4030, 4310, 5603, 10075, 10775, 11206, 13361, 20150, 21550, 26722, 28015, 56030, 66805, 133610, 140075, 173693, 280150, 334025, 347386, 668050, 868465, 1736930, 4342325, 8684650]

約数ペア:

[(1, 8684650), (2, 4342325), (5, 1736930), (10, 868465), (13, 668050), (25, 347386), (26, 334025), (31, 280150), (50, 173693), (62, 140075), (65, 133610), (130, 66805), (155, 56030), (310, 28015), (325, 26722), (403, 21550), (431, 20150), (650, 13361), (775, 11206), (806, 10775), (862, 10075), (1550, 5603), (2015, 4310), (2155, 4030)]