84101480

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12899}}^1$

素因数の和:13073

約数の個数: 32

約数和(自身を含む): 190404000

約数和(自身を除く): 106302520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12899, 25798, 51596, 64495, 103192, 128990, 257980, 515960, 2102537, 4205074, 8410148, 10512685, 16820296, 21025370, 42050740, 84101480]

約数ペア:

[(1, 84101480), (2, 42050740), (4, 21025370), (5, 16820296), (8, 10512685), (10, 8410148), (20, 4205074), (40, 2102537), (163, 515960), (326, 257980), (652, 128990), (815, 103192), (1304, 64495), (1630, 51596), (3260, 25798), (6520, 12899)]