28165880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{19031}}^1$

素因数の和:19079

約数の個数: 32

約数和(自身を含む): 65089440

約数和(自身を除く): 36923560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 19031, 38062, 76124, 95155, 152248, 190310, 380620, 704147, 761240, 1408294, 2816588, 3520735, 5633176, 7041470, 14082940, 28165880]

約数ペア:

[(1, 28165880), (2, 14082940), (4, 7041470), (5, 5633176), (8, 3520735), (10, 2816588), (20, 1408294), (37, 761240), (40, 704147), (74, 380620), (148, 190310), (185, 152248), (296, 95155), (370, 76124), (740, 38062), (1480, 19031)]