71566280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{24509}}^1$

素因数の和:24593

約数の個数: 32

約数和(自身を含む): 163236600

約数和(自身を除く): 91670320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 24509, 49018, 98036, 122545, 196072, 245090, 490180, 980360, 1789157, 3578314, 7156628, 8945785, 14313256, 17891570, 35783140, 71566280]

約数ペア:

[(1, 71566280), (2, 35783140), (4, 17891570), (5, 14313256), (8, 8945785), (10, 7156628), (20, 3578314), (40, 1789157), (73, 980360), (146, 490180), (292, 245090), (365, 196072), (584, 122545), (730, 98036), (1460, 49018), (2920, 24509)]