127177360

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{20123}}^1$

素因数の和:20215

約数の個数: 40

約数和(自身を含む): 299445120

約数和(自身を除く): 172267760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 20123, 40246, 80492, 100615, 160984, 201230, 321968, 402460, 804920, 1589717, 1609840, 3179434, 6358868, 7948585, 12717736, 15897170, 25435472, 31794340, 63588680, 127177360]

約数ペア:

[(1, 127177360), (2, 63588680), (4, 31794340), (5, 25435472), (8, 15897170), (10, 12717736), (16, 7948585), (20, 6358868), (40, 3179434), (79, 1609840), (80, 1589717), (158, 804920), (316, 402460), (395, 321968), (632, 201230), (790, 160984), (1264, 100615), (1580, 80492), (3160, 40246), (6320, 20123)]