8045440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{967}}^1$

素因数の和:999

約数の個数: 64

約数和(自身を含む): 20734560

約数和(自身を除く): 12689120

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 967, 1040, 1664, 1934, 2080, 3868, 4160, 4835, 7736, 8320, 9670, 12571, 15472, 19340, 25142, 30944, 38680, 50284, 61888, 62855, 77360, 100568, 123776, 125710, 154720, 201136, 251420, 309440, 402272, 502840, 618880, 804544, 1005680, 1609088, 2011360, 4022720, 8045440]

約数ペア:

[(1, 8045440), (2, 4022720), (4, 2011360), (5, 1609088), (8, 1005680), (10, 804544), (13, 618880), (16, 502840), (20, 402272), (26, 309440), (32, 251420), (40, 201136), (52, 154720), (64, 125710), (65, 123776), (80, 100568), (104, 77360), (128, 62855), (130, 61888), (160, 50284), (208, 38680), (260, 30944), (320, 25142), (416, 19340), (520, 15472), (640, 12571), (832, 9670), (967, 8320), (1040, 7736), (1664, 4835), (1934, 4160), (2080, 3868)]