12496720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5039}}^1$

素因数の和:5083

約数の個数: 40

約数和(自身を含む): 29998080

約数和(自身を除く): 17501360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 5039, 10078, 20156, 25195, 40312, 50390, 80624, 100780, 156209, 201560, 312418, 403120, 624836, 781045, 1249672, 1562090, 2499344, 3124180, 6248360, 12496720]

約数ペア:

[(1, 12496720), (2, 6248360), (4, 3124180), (5, 2499344), (8, 1562090), (10, 1249672), (16, 781045), (20, 624836), (31, 403120), (40, 312418), (62, 201560), (80, 156209), (124, 100780), (155, 80624), (248, 50390), (310, 40312), (496, 25195), (620, 20156), (1240, 10078), (2480, 5039)]