2013785120

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{30773}}^1$

素因数の和:31197

約数の個数: 48

約数和(自身を含む): 4769354520

約数和(自身を除く): 2755569400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 3272, 4090, 6544, 8180, 13088, 16360, 30773, 32720, 61546, 65440, 123092, 153865, 246184, 307730, 492368, 615460, 984736, 1230920, 2461840, 4923680, 12586157, 25172314, 50344628, 62930785, 100689256, 125861570, 201378512, 251723140, 402757024, 503446280, 1006892560, 2013785120]

約数ペア:

[(1, 2013785120), (2, 1006892560), (4, 503446280), (5, 402757024), (8, 251723140), (10, 201378512), (16, 125861570), (20, 100689256), (32, 62930785), (40, 50344628), (80, 25172314), (160, 12586157), (409, 4923680), (818, 2461840), (1636, 1230920), (2045, 984736), (3272, 615460), (4090, 492368), (6544, 307730), (8180, 246184), (13088, 153865), (16360, 123092), (30773, 65440), (32720, 61546)]