20142091280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8121811}}^1$

素因数の和:8121855

約数の個数: 40

約数和(自身を含む): 48341025024

約数和(自身を除く): 28198933744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8121811, 16243622, 32487244, 40609055, 64974488, 81218110, 129948976, 162436220, 251776141, 324872440, 503552282, 649744880, 1007104564, 1258880705, 2014209128, 2517761410, 4028418256, 5035522820, 10071045640, 20142091280]

約数ペア:

[(1, 20142091280), (2, 10071045640), (4, 5035522820), (5, 4028418256), (8, 2517761410), (10, 2014209128), (16, 1258880705), (20, 1007104564), (31, 649744880), (40, 503552282), (62, 324872440), (80, 251776141), (124, 162436220), (155, 129948976), (248, 81218110), (310, 64974488), (496, 40609055), (620, 32487244), (1240, 16243622), (2480, 8121811)]