85891360

素因数分解:

$2^5\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2999}}^1$

素因数の和:3193

約数の個数: 48

約数和(自身を含む): 204120000

約数和(自身を除く): 118228640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179, 358, 716, 895, 1432, 1790, 2864, 2999, 3580, 5728, 5998, 7160, 11996, 14320, 14995, 23992, 28640, 29990, 47984, 59980, 95968, 119960, 239920, 479840, 536821, 1073642, 2147284, 2684105, 4294568, 5368210, 8589136, 10736420, 17178272, 21472840, 42945680, 85891360]

約数ペア:

[(1, 85891360), (2, 42945680), (4, 21472840), (5, 17178272), (8, 10736420), (10, 8589136), (16, 5368210), (20, 4294568), (32, 2684105), (40, 2147284), (80, 1073642), (160, 536821), (179, 479840), (358, 239920), (716, 119960), (895, 95968), (1432, 59980), (1790, 47984), (2864, 29990), (2999, 28640), (3580, 23992), (5728, 14995), (5998, 14320), (7160, 11996)]