8923840

素因数分解:

$2^6\times 5^1\times {\mathrm{79}}^1\times {\mathrm{353}}^1$

素因数の和:449

約数の個数: 56

約数和(自身を含む): 21579840

約数和(自身を除く): 12656000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 158, 160, 316, 320, 353, 395, 632, 706, 790, 1264, 1412, 1580, 1765, 2528, 2824, 3160, 3530, 5056, 5648, 6320, 7060, 11296, 12640, 14120, 22592, 25280, 27887, 28240, 55774, 56480, 111548, 112960, 139435, 223096, 278870, 446192, 557740, 892384, 1115480, 1784768, 2230960, 4461920, 8923840]

約数ペア:

[(1, 8923840), (2, 4461920), (4, 2230960), (5, 1784768), (8, 1115480), (10, 892384), (16, 557740), (20, 446192), (32, 278870), (40, 223096), (64, 139435), (79, 112960), (80, 111548), (158, 56480), (160, 55774), (316, 28240), (320, 27887), (353, 25280), (395, 22592), (632, 14120), (706, 12640), (790, 11296), (1264, 7060), (1412, 6320), (1580, 5648), (1765, 5056), (2528, 3530), (2824, 3160)]