2920451840

素因数分解:

$2^8\times 5^1\times {\mathrm{1031}}^1\times {\mathrm{2213}}^1$

素因数の和:3265

約数の個数: 72

約数和(自身を含む): 7005343968

約数和(自身を除く): 4084892128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1031, 1280, 2062, 2213, 4124, 4426, 5155, 8248, 8852, 10310, 11065, 16496, 17704, 20620, 22130, 32992, 35408, 41240, 44260, 65984, 70816, 82480, 88520, 131968, 141632, 164960, 177040, 263936, 283264, 329920, 354080, 566528, 659840, 708160, 1319680, 1416320, 2281603, 2832640, 4563206, 9126412, 11408015, 18252824, 22816030, 36505648, 45632060, 73011296, 91264120, 146022592, 182528240, 292045184, 365056480, 584090368, 730112960, 1460225920, 2920451840]

約数ペア:

[(1, 2920451840), (2, 1460225920), (4, 730112960), (5, 584090368), (8, 365056480), (10, 292045184), (16, 182528240), (20, 146022592), (32, 91264120), (40, 73011296), (64, 45632060), (80, 36505648), (128, 22816030), (160, 18252824), (256, 11408015), (320, 9126412), (640, 4563206), (1031, 2832640), (1280, 2281603), (2062, 1416320), (2213, 1319680), (4124, 708160), (4426, 659840), (5155, 566528), (8248, 354080), (8852, 329920), (10310, 283264), (11065, 263936), (16496, 177040), (17704, 164960), (20620, 141632), (22130, 131968), (32992, 88520), (35408, 82480), (41240, 70816), (44260, 65984)]