1855668880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1784297}}^1$

素因数の和:1784323

約数の個数: 40

約数和(自身を含む): 4646311992

約数和(自身を除く): 2790643112

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1784297, 3568594, 7137188, 8921485, 14274376, 17842970, 23195861, 28548752, 35685940, 46391722, 71371880, 92783444, 115979305, 142743760, 185566888, 231958610, 371133776, 463917220, 927834440, 1855668880]

約数ペア:

[(1, 1855668880), (2, 927834440), (4, 463917220), (5, 371133776), (8, 231958610), (10, 185566888), (13, 142743760), (16, 115979305), (20, 92783444), (26, 71371880), (40, 46391722), (52, 35685940), (65, 28548752), (80, 23195861), (104, 17842970), (130, 14274376), (208, 8921485), (260, 7137188), (520, 3568594), (1040, 1784297)]