640015825712

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{8231}}^1\times {\mathrm{50101}}^1$

素因数の和:58437

約数の個数: 40

約数和(自身を含む): 1252991699232

約数和(自身を除く): 612975873520

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 8231, 16462, 32924, 50101, 65848, 100202, 131696, 200404, 400808, 798407, 801616, 1596814, 3193628, 4859797, 6387256, 9719594, 12774512, 19439188, 38878376, 77756752, 412381331, 824762662, 1649525324, 3299050648, 6598101296, 40000989107, 80001978214, 160003956428, 320007912856, 640015825712]

約数ペア:

[(1, 640015825712), (2, 320007912856), (4, 160003956428), (8, 80001978214), (16, 40000989107), (97, 6598101296), (194, 3299050648), (388, 1649525324), (776, 824762662), (1552, 412381331), (8231, 77756752), (16462, 38878376), (32924, 19439188), (50101, 12774512), (65848, 9719594), (100202, 6387256), (131696, 4859797), (200404, 3193628), (400808, 1596814), (798407, 801616)]