87758840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2377}}^1$

素因数の和:2472

約数の個数: 64

約数和(自身を含む): 215732160

約数和(自身を除く): 127973320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2377, 2840, 3692, 4615, 4754, 7384, 9230, 9508, 11885, 18460, 19016, 23770, 30901, 36920, 47540, 61802, 95080, 123604, 154505, 168767, 247208, 309010, 337534, 618020, 675068, 843835, 1236040, 1350136, 1687670, 2193971, 3375340, 4387942, 6750680, 8775884, 10969855, 17551768, 21939710, 43879420, 87758840]

約数ペア:

[(1, 87758840), (2, 43879420), (4, 21939710), (5, 17551768), (8, 10969855), (10, 8775884), (13, 6750680), (20, 4387942), (26, 3375340), (40, 2193971), (52, 1687670), (65, 1350136), (71, 1236040), (104, 843835), (130, 675068), (142, 618020), (260, 337534), (284, 309010), (355, 247208), (520, 168767), (568, 154505), (710, 123604), (923, 95080), (1420, 61802), (1846, 47540), (2377, 36920), (2840, 30901), (3692, 23770), (4615, 19016), (4754, 18460), (7384, 11885), (9230, 9508)]