8522920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 22320000

約数和(自身を除く): 13797080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 499, 610, 854, 998, 1220, 1708, 1996, 2135, 2440, 2495, 3416, 3493, 3992, 4270, 4990, 6986, 8540, 9980, 13972, 17080, 17465, 19960, 27944, 30439, 34930, 60878, 69860, 121756, 139720, 152195, 213073, 243512, 304390, 426146, 608780, 852292, 1065365, 1217560, 1704584, 2130730, 4261460, 8522920]

約数ペア:

[(1, 8522920), (2, 4261460), (4, 2130730), (5, 1704584), (7, 1217560), (8, 1065365), (10, 852292), (14, 608780), (20, 426146), (28, 304390), (35, 243512), (40, 213073), (56, 152195), (61, 139720), (70, 121756), (122, 69860), (140, 60878), (244, 34930), (280, 30439), (305, 27944), (427, 19960), (488, 17465), (499, 17080), (610, 13972), (854, 9980), (998, 8540), (1220, 6986), (1708, 4990), (1996, 4270), (2135, 3992), (2440, 3493), (2495, 3416)]