64985120

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17659}}^1$

素因数の和:17697

約数の個数: 48

約数和(自身を含む): 160211520

約数和(自身を除く): 95226400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 17659, 35318, 70636, 88295, 141272, 176590, 282544, 353180, 406157, 565088, 706360, 812314, 1412720, 1624628, 2030785, 2825440, 3249256, 4061570, 6498512, 8123140, 12997024, 16246280, 32492560, 64985120]

約数ペア:

[(1, 64985120), (2, 32492560), (4, 16246280), (5, 12997024), (8, 8123140), (10, 6498512), (16, 4061570), (20, 3249256), (23, 2825440), (32, 2030785), (40, 1624628), (46, 1412720), (80, 812314), (92, 706360), (115, 565088), (160, 406157), (184, 353180), (230, 282544), (368, 176590), (460, 141272), (736, 88295), (920, 70636), (1840, 35318), (3680, 17659)]