39947840

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4027}}^1$

素因数の和:4075

約数の個数: 56

約数和(自身を含む): 98218752

約数和(自身を除く): 58270912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 496, 620, 992, 1240, 1984, 2480, 4027, 4960, 8054, 9920, 16108, 20135, 32216, 40270, 64432, 80540, 124837, 128864, 161080, 249674, 257728, 322160, 499348, 624185, 644320, 998696, 1248370, 1288640, 1997392, 2496740, 3994784, 4993480, 7989568, 9986960, 19973920, 39947840]

約数ペア:

[(1, 39947840), (2, 19973920), (4, 9986960), (5, 7989568), (8, 4993480), (10, 3994784), (16, 2496740), (20, 1997392), (31, 1288640), (32, 1248370), (40, 998696), (62, 644320), (64, 624185), (80, 499348), (124, 322160), (155, 257728), (160, 249674), (248, 161080), (310, 128864), (320, 124837), (496, 80540), (620, 64432), (992, 40270), (1240, 32216), (1984, 20135), (2480, 16108), (4027, 9920), (4960, 8054)]