89172040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{28219}}^1$

素因数の和:28309

約数の個数: 32

約数和(自身を含む): 203184000

約数和(自身を除く): 114011960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 28219, 56438, 112876, 141095, 225752, 282190, 564380, 1128760, 2229301, 4458602, 8917204, 11146505, 17834408, 22293010, 44586020, 89172040]

約数ペア:

[(1, 89172040), (2, 44586020), (4, 22293010), (5, 17834408), (8, 11146505), (10, 8917204), (20, 4458602), (40, 2229301), (79, 1128760), (158, 564380), (316, 282190), (395, 225752), (632, 141095), (790, 112876), (1580, 56438), (3160, 28219)]