164025560

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{29501}}^1$

素因数の和:29651

約数の個数: 32

約数和(自身を含む): 371725200

約数和(自身を除く): 207699640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 29501, 59002, 118004, 147505, 236008, 295010, 590020, 1180040, 4100639, 8201278, 16402556, 20503195, 32805112, 41006390, 82012780, 164025560]

約数ペア:

[(1, 164025560), (2, 82012780), (4, 41006390), (5, 32805112), (8, 20503195), (10, 16402556), (20, 8201278), (40, 4100639), (139, 1180040), (278, 590020), (556, 295010), (695, 236008), (1112, 147505), (1390, 118004), (2780, 59002), (5560, 29501)]