28175750

素因数分解:

$2^1\times 5^3\times {\mathrm{43}}^1\times {\mathrm{2621}}^1$

素因数の和:2681

約数の個数: 32

約数和(自身を含む): 53992224

約数和(自身を除く): 25816474

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 1075, 2150, 2621, 5242, 5375, 10750, 13105, 26210, 65525, 112703, 131050, 225406, 327625, 563515, 655250, 1127030, 2817575, 5635150, 14087875, 28175750]

約数ペア:

[(1, 28175750), (2, 14087875), (5, 5635150), (10, 2817575), (25, 1127030), (43, 655250), (50, 563515), (86, 327625), (125, 225406), (215, 131050), (250, 112703), (430, 65525), (1075, 26210), (2150, 13105), (2621, 10750), (5242, 5375)]