205945240

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{177539}}^1$

素因数の和:177579

約数の個数: 32

約数和(自身を含む): 479358000

約数和(自身を除く): 273412760

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 177539, 355078, 710156, 887695, 1420312, 1775390, 3550780, 5148631, 7101560, 10297262, 20594524, 25743155, 41189048, 51486310, 102972620, 205945240]

約数ペア:

[(1, 205945240), (2, 102972620), (4, 51486310), (5, 41189048), (8, 25743155), (10, 20594524), (20, 10297262), (29, 7101560), (40, 5148631), (58, 3550780), (116, 1775390), (145, 1420312), (232, 887695), (290, 710156), (580, 355078), (1160, 177539)]