79904860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{19681}}^1$

素因数の和:19726

約数の個数: 48

約数和(自身を含む): 198394560

約数和(自身を除く): 118489700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 58, 70, 116, 140, 145, 203, 290, 406, 580, 812, 1015, 2030, 4060, 19681, 39362, 78724, 98405, 137767, 196810, 275534, 393620, 551068, 570749, 688835, 1141498, 1377670, 2282996, 2755340, 2853745, 3995243, 5707490, 7990486, 11414980, 15980972, 19976215, 39952430, 79904860]

約数ペア:

[(1, 79904860), (2, 39952430), (4, 19976215), (5, 15980972), (7, 11414980), (10, 7990486), (14, 5707490), (20, 3995243), (28, 2853745), (29, 2755340), (35, 2282996), (58, 1377670), (70, 1141498), (116, 688835), (140, 570749), (145, 551068), (203, 393620), (290, 275534), (406, 196810), (580, 137767), (812, 98405), (1015, 78724), (2030, 39362), (4060, 19681)]