88906880

素因数分解:

$2^7\times 5^1\times {\mathrm{138917}}^1$

素因数の和:138936

約数の個数: 32

約数和(自身を含む): 212544540

約数和(自身を除く): 123637660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 138917, 277834, 555668, 694585, 1111336, 1389170, 2222672, 2778340, 4445344, 5556680, 8890688, 11113360, 17781376, 22226720, 44453440, 88906880]

約数ペア:

[(1, 88906880), (2, 44453440), (4, 22226720), (5, 17781376), (8, 11113360), (10, 8890688), (16, 5556680), (20, 4445344), (32, 2778340), (40, 2222672), (64, 1389170), (80, 1111336), (128, 694585), (160, 555668), (320, 277834), (640, 138917)]