7872017240

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6348401}}^1$

素因数の和:6348443

約数の個数: 32

約数和(自身を含む): 18283397760

約数和(自身を除く): 10411380520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 6348401, 12696802, 25393604, 31742005, 50787208, 63484010, 126968020, 196800431, 253936040, 393600862, 787201724, 984002155, 1574403448, 1968004310, 3936008620, 7872017240]

約数ペア:

[(1, 7872017240), (2, 3936008620), (4, 1968004310), (5, 1574403448), (8, 984002155), (10, 787201724), (20, 393600862), (31, 253936040), (40, 196800431), (62, 126968020), (124, 63484010), (155, 50787208), (248, 31742005), (310, 25393604), (620, 12696802), (1240, 6348401)]