80555510

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{2081}}^1$

素因数の和:2181

約数の個数: 48

約数和(自身を含む): 170890560

約数和(自身を除く): 90335050

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 79, 98, 158, 245, 395, 490, 553, 790, 1106, 2081, 2765, 3871, 4162, 5530, 7742, 10405, 14567, 19355, 20810, 29134, 38710, 72835, 101969, 145670, 164399, 203938, 328798, 509845, 821995, 1019690, 1150793, 1643990, 2301586, 5753965, 8055551, 11507930, 16111102, 40277755, 80555510]

約数ペア:

[(1, 80555510), (2, 40277755), (5, 16111102), (7, 11507930), (10, 8055551), (14, 5753965), (35, 2301586), (49, 1643990), (70, 1150793), (79, 1019690), (98, 821995), (158, 509845), (245, 328798), (395, 203938), (490, 164399), (553, 145670), (790, 101969), (1106, 72835), (2081, 38710), (2765, 29134), (3871, 20810), (4162, 19355), (5530, 14567), (7742, 10405)]