860914640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{347143}}^1$

素因数の和:347187

約数の個数: 40

約数和(自身を含む): 2066201088

約数和(自身を除く): 1205286448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 347143, 694286, 1388572, 1735715, 2777144, 3471430, 5554288, 6942860, 10761433, 13885720, 21522866, 27771440, 43045732, 53807165, 86091464, 107614330, 172182928, 215228660, 430457320, 860914640]

約数ペア:

[(1, 860914640), (2, 430457320), (4, 215228660), (5, 172182928), (8, 107614330), (10, 86091464), (16, 53807165), (20, 43045732), (31, 27771440), (40, 21522866), (62, 13885720), (80, 10761433), (124, 6942860), (155, 5554288), (248, 3471430), (310, 2777144), (496, 1735715), (620, 1388572), (1240, 694286), (2480, 347143)]