42438640

素因数分解:

$2^4\times 5^1\times {\mathrm{619}}^1\times {\mathrm{857}}^1$

素因数の和:1489

約数の個数: 40

約数和(自身を含む): 98944560

約数和(自身を除く): 56505920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 619, 857, 1238, 1714, 2476, 3095, 3428, 4285, 4952, 6190, 6856, 8570, 9904, 12380, 13712, 17140, 24760, 34280, 49520, 68560, 530483, 1060966, 2121932, 2652415, 4243864, 5304830, 8487728, 10609660, 21219320, 42438640]

約数ペア:

[(1, 42438640), (2, 21219320), (4, 10609660), (5, 8487728), (8, 5304830), (10, 4243864), (16, 2652415), (20, 2121932), (40, 1060966), (80, 530483), (619, 68560), (857, 49520), (1238, 34280), (1714, 24760), (2476, 17140), (3095, 13712), (3428, 12380), (4285, 9904), (4952, 8570), (6190, 6856)]