51615440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8167}}^1$

素因数の和:8259

約数の個数: 40

約数和(自身を含む): 121539840

約数和(自身を除く): 69924400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 8167, 16334, 32668, 40835, 65336, 81670, 130672, 163340, 326680, 645193, 653360, 1290386, 2580772, 3225965, 5161544, 6451930, 10323088, 12903860, 25807720, 51615440]

約数ペア:

[(1, 51615440), (2, 25807720), (4, 12903860), (5, 10323088), (8, 6451930), (10, 5161544), (16, 3225965), (20, 2580772), (40, 1290386), (79, 653360), (80, 645193), (158, 326680), (316, 163340), (395, 130672), (632, 81670), (790, 65336), (1264, 40835), (1580, 32668), (3160, 16334), (6320, 8167)]