99784040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80471}}^1$

素因数の和:80513

約数の個数: 32

約数和(自身を含む): 231759360

約数和(自身を除く): 131975320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80471, 160942, 321884, 402355, 643768, 804710, 1609420, 2494601, 3218840, 4989202, 9978404, 12473005, 19956808, 24946010, 49892020, 99784040]

約数ペア:

[(1, 99784040), (2, 49892020), (4, 24946010), (5, 19956808), (8, 12473005), (10, 9978404), (20, 4989202), (31, 3218840), (40, 2494601), (62, 1609420), (124, 804710), (155, 643768), (248, 402355), (310, 321884), (620, 160942), (1240, 80471)]