39987750080

素因数分解:

$2^6\times 5^1\times {\mathrm{3121}}^1\times {\mathrm{40039}}^1$

素因数の和:43177

約数の個数: 56

約数和(自身を含む): 95253718560

約数和(自身を除く): 55265968480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 3121, 6242, 12484, 15605, 24968, 31210, 40039, 49936, 62420, 80078, 99872, 124840, 160156, 199744, 200195, 249680, 320312, 400390, 499360, 640624, 800780, 998720, 1281248, 1601560, 2562496, 3203120, 6406240, 12812480, 124961719, 249923438, 499846876, 624808595, 999693752, 1249617190, 1999387504, 2499234380, 3998775008, 4998468760, 7997550016, 9996937520, 19993875040, 39987750080]

約数ペア:

[(1, 39987750080), (2, 19993875040), (4, 9996937520), (5, 7997550016), (8, 4998468760), (10, 3998775008), (16, 2499234380), (20, 1999387504), (32, 1249617190), (40, 999693752), (64, 624808595), (80, 499846876), (160, 249923438), (320, 124961719), (3121, 12812480), (6242, 6406240), (12484, 3203120), (15605, 2562496), (24968, 1601560), (31210, 1281248), (40039, 998720), (49936, 800780), (62420, 640624), (80078, 499360), (99872, 400390), (124840, 320312), (160156, 249680), (199744, 200195)]