31190720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8861}}^1$

素因数の和:8889

約数の個数: 56

約数和(自身を含む): 81034128

約数和(自身を除く): 49843408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 8861, 17722, 35444, 44305, 70888, 88610, 97471, 141776, 177220, 194942, 283552, 354440, 389884, 487355, 567104, 708880, 779768, 974710, 1417760, 1559536, 1949420, 2835520, 3119072, 3898840, 6238144, 7797680, 15595360, 31190720]

約数ペア:

[(1, 31190720), (2, 15595360), (4, 7797680), (5, 6238144), (8, 3898840), (10, 3119072), (11, 2835520), (16, 1949420), (20, 1559536), (22, 1417760), (32, 974710), (40, 779768), (44, 708880), (55, 567104), (64, 487355), (80, 389884), (88, 354440), (110, 283552), (160, 194942), (176, 177220), (220, 141776), (320, 97471), (352, 88610), (440, 70888), (704, 44305), (880, 35444), (1760, 17722), (3520, 8861)]