69312560

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{20149}}^1$

素因数の和:20205

約数の個数: 40

約数和(自身を含む): 164907600

約数和(自身を除く): 95595040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 20149, 40298, 80596, 100745, 161192, 201490, 322384, 402980, 805960, 866407, 1611920, 1732814, 3465628, 4332035, 6931256, 8664070, 13862512, 17328140, 34656280, 69312560]

約数ペア:

[(1, 69312560), (2, 34656280), (4, 17328140), (5, 13862512), (8, 8664070), (10, 6931256), (16, 4332035), (20, 3465628), (40, 1732814), (43, 1611920), (80, 866407), (86, 805960), (172, 402980), (215, 322384), (344, 201490), (430, 161192), (688, 100745), (860, 80596), (1720, 40298), (3440, 20149)]