28438240

素因数分解:

$2^5\times 5^1\times {\mathrm{177739}}^1$

素因数の和:177754

約数の個数: 24

約数和(自身を含む): 67185720

約数和(自身を除く): 38747480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 177739, 355478, 710956, 888695, 1421912, 1777390, 2843824, 3554780, 5687648, 7109560, 14219120, 28438240]

約数ペア:

[(1, 28438240), (2, 14219120), (4, 7109560), (5, 5687648), (8, 3554780), (10, 2843824), (16, 1777390), (20, 1421912), (32, 888695), (40, 710956), (80, 355478), (160, 177739)]