28003750

素因数分解:

$2^1\times 5^4\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:586

約数の個数: 40

約数和(自身を含む): 53814024

約数和(自身を除く): 25810274

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 125, 215, 250, 430, 521, 625, 1042, 1075, 1250, 2150, 2605, 5210, 5375, 10750, 13025, 22403, 26050, 26875, 44806, 53750, 65125, 112015, 130250, 224030, 325625, 560075, 651250, 1120150, 2800375, 5600750, 14001875, 28003750]

約数ペア:

[(1, 28003750), (2, 14001875), (5, 5600750), (10, 2800375), (25, 1120150), (43, 651250), (50, 560075), (86, 325625), (125, 224030), (215, 130250), (250, 112015), (430, 65125), (521, 53750), (625, 44806), (1042, 26875), (1075, 26050), (1250, 22403), (2150, 13025), (2605, 10750), (5210, 5375)]