15898240

素因数分解:

$2^7\times 5^1\times {\mathrm{24841}}^1$

素因数の和:24860

約数の個数: 32

約数和(自身を含む): 38008260

約数和(自身を除く): 22110020

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 24841, 49682, 99364, 124205, 198728, 248410, 397456, 496820, 794912, 993640, 1589824, 1987280, 3179648, 3974560, 7949120, 15898240]

約数ペア:

[(1, 15898240), (2, 7949120), (4, 3974560), (5, 3179648), (8, 1987280), (10, 1589824), (16, 993640), (20, 794912), (32, 496820), (40, 397456), (64, 248410), (80, 198728), (128, 124205), (160, 99364), (320, 49682), (640, 24841)]