80019100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1447}}^1$

素因数の和:1547

約数の個数: 72

約数和(自身を含む): 201098240

約数和(自身を除く): 121079140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 79, 100, 140, 158, 175, 316, 350, 395, 553, 700, 790, 1106, 1447, 1580, 1975, 2212, 2765, 2894, 3950, 5530, 5788, 7235, 7900, 10129, 11060, 13825, 14470, 20258, 27650, 28940, 36175, 40516, 50645, 55300, 72350, 101290, 114313, 144700, 202580, 228626, 253225, 457252, 506450, 571565, 800191, 1012900, 1143130, 1600382, 2286260, 2857825, 3200764, 4000955, 5715650, 8001910, 11431300, 16003820, 20004775, 40009550, 80019100]

約数ペア:

[(1, 80019100), (2, 40009550), (4, 20004775), (5, 16003820), (7, 11431300), (10, 8001910), (14, 5715650), (20, 4000955), (25, 3200764), (28, 2857825), (35, 2286260), (50, 1600382), (70, 1143130), (79, 1012900), (100, 800191), (140, 571565), (158, 506450), (175, 457252), (316, 253225), (350, 228626), (395, 202580), (553, 144700), (700, 114313), (790, 101290), (1106, 72350), (1447, 55300), (1580, 50645), (1975, 40516), (2212, 36175), (2765, 28940), (2894, 27650), (3950, 20258), (5530, 14470), (5788, 13825), (7235, 11060), (7900, 10129)]