8367920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:318

約数の個数: 80

約数和(自身を含む): 21882528

約数和(自身を除く): 13514608

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 37, 40, 44, 55, 74, 80, 88, 110, 148, 176, 185, 220, 257, 296, 370, 407, 440, 514, 592, 740, 814, 880, 1028, 1285, 1480, 1628, 2035, 2056, 2570, 2827, 2960, 3256, 4070, 4112, 5140, 5654, 6512, 8140, 9509, 10280, 11308, 14135, 16280, 19018, 20560, 22616, 28270, 32560, 38036, 45232, 47545, 56540, 76072, 95090, 104599, 113080, 152144, 190180, 209198, 226160, 380360, 418396, 522995, 760720, 836792, 1045990, 1673584, 2091980, 4183960, 8367920]

約数ペア:

[(1, 8367920), (2, 4183960), (4, 2091980), (5, 1673584), (8, 1045990), (10, 836792), (11, 760720), (16, 522995), (20, 418396), (22, 380360), (37, 226160), (40, 209198), (44, 190180), (55, 152144), (74, 113080), (80, 104599), (88, 95090), (110, 76072), (148, 56540), (176, 47545), (185, 45232), (220, 38036), (257, 32560), (296, 28270), (370, 22616), (407, 20560), (440, 19018), (514, 16280), (592, 14135), (740, 11308), (814, 10280), (880, 9509), (1028, 8140), (1285, 6512), (1480, 5654), (1628, 5140), (2035, 4112), (2056, 4070), (2570, 3256), (2827, 2960)]