28582720

素因数分解:

$2^6\times 5^1\times {\mathrm{179}}^1\times {\mathrm{499}}^1$

素因数の和:695

約数の個数: 56

約数和(自身を含む): 68580000

約数和(自身を除く): 39997280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 179, 320, 358, 499, 716, 895, 998, 1432, 1790, 1996, 2495, 2864, 3580, 3992, 4990, 5728, 7160, 7984, 9980, 11456, 14320, 15968, 19960, 28640, 31936, 39920, 57280, 79840, 89321, 159680, 178642, 357284, 446605, 714568, 893210, 1429136, 1786420, 2858272, 3572840, 5716544, 7145680, 14291360, 28582720]

約数ペア:

[(1, 28582720), (2, 14291360), (4, 7145680), (5, 5716544), (8, 3572840), (10, 2858272), (16, 1786420), (20, 1429136), (32, 893210), (40, 714568), (64, 446605), (80, 357284), (160, 178642), (179, 159680), (320, 89321), (358, 79840), (499, 57280), (716, 39920), (895, 31936), (998, 28640), (1432, 19960), (1790, 15968), (1996, 14320), (2495, 11456), (2864, 9980), (3580, 7984), (3992, 7160), (4990, 5728)]