80186540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11689}}^1$

素因数の和:11719

約数の個数: 48

約数和(自身を含む): 196392000

約数和(自身を除く): 116205460

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 3430, 6860, 11689, 23378, 46756, 58445, 81823, 116890, 163646, 233780, 327292, 409115, 572761, 818230, 1145522, 1636460, 2291044, 2863805, 4009327, 5727610, 8018654, 11455220, 16037308, 20046635, 40093270, 80186540]

約数ペア:

[(1, 80186540), (2, 40093270), (4, 20046635), (5, 16037308), (7, 11455220), (10, 8018654), (14, 5727610), (20, 4009327), (28, 2863805), (35, 2291044), (49, 1636460), (70, 1145522), (98, 818230), (140, 572761), (196, 409115), (245, 327292), (343, 233780), (490, 163646), (686, 116890), (980, 81823), (1372, 58445), (1715, 46756), (3430, 23378), (6860, 11689)]