28628750

素因数分解:

$2^1\times 5^4\times {\mathrm{37}}^1\times {\mathrm{619}}^1$

素因数の和:678

約数の個数: 40

約数和(自身を含む): 55201080

約数和(自身を除く): 26572330

約数列:

[1, 2, 5, 10, 25, 37, 50, 74, 125, 185, 250, 370, 619, 625, 925, 1238, 1250, 1850, 3095, 4625, 6190, 9250, 15475, 22903, 23125, 30950, 45806, 46250, 77375, 114515, 154750, 229030, 386875, 572575, 773750, 1145150, 2862875, 5725750, 14314375, 28628750]

約数ペア:

[(1, 28628750), (2, 14314375), (5, 5725750), (10, 2862875), (25, 1145150), (37, 773750), (50, 572575), (74, 386875), (125, 229030), (185, 154750), (250, 114515), (370, 77375), (619, 46250), (625, 45806), (925, 30950), (1238, 23125), (1250, 22903), (1850, 15475), (3095, 9250), (4625, 6190)]