72991120

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{8527}}^1$

素因数の和:8647

約数の個数: 40

約数和(自身を含む): 171310464

約数和(自身を除く): 98319344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 4280, 8527, 8560, 17054, 34108, 42635, 68216, 85270, 136432, 170540, 341080, 682160, 912389, 1824778, 3649556, 4561945, 7299112, 9123890, 14598224, 18247780, 36495560, 72991120]

約数ペア:

[(1, 72991120), (2, 36495560), (4, 18247780), (5, 14598224), (8, 9123890), (10, 7299112), (16, 4561945), (20, 3649556), (40, 1824778), (80, 912389), (107, 682160), (214, 341080), (428, 170540), (535, 136432), (856, 85270), (1070, 68216), (1712, 42635), (2140, 34108), (4280, 17054), (8527, 8560)]