331359440

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{25411}}^1$

素因数の和:25587

約数の個数: 40

約数和(自身を含む): 775167648

約数和(自身を除く): 443808208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 25411, 50822, 101644, 127055, 203288, 254110, 406576, 508220, 1016440, 2032880, 4141993, 8283986, 16567972, 20709965, 33135944, 41419930, 66271888, 82839860, 165679720, 331359440]

約数ペア:

[(1, 331359440), (2, 165679720), (4, 82839860), (5, 66271888), (8, 41419930), (10, 33135944), (16, 20709965), (20, 16567972), (40, 8283986), (80, 4141993), (163, 2032880), (326, 1016440), (652, 508220), (815, 406576), (1304, 254110), (1630, 203288), (2608, 127055), (3260, 101644), (6520, 50822), (13040, 25411)]