4380560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3221}}^1$

素因数の和:3251

約数の個数: 40

約数和(自身を含む): 10787256

約数和(自身を除く): 6406696

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 3221, 6442, 12884, 16105, 25768, 32210, 51536, 54757, 64420, 109514, 128840, 219028, 257680, 273785, 438056, 547570, 876112, 1095140, 2190280, 4380560]

約数ペア:

[(1, 4380560), (2, 2190280), (4, 1095140), (5, 876112), (8, 547570), (10, 438056), (16, 273785), (17, 257680), (20, 219028), (34, 128840), (40, 109514), (68, 64420), (80, 54757), (85, 51536), (136, 32210), (170, 25768), (272, 16105), (340, 12884), (680, 6442), (1360, 3221)]