2013119990780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1693}}^1\times {\mathrm{1450103}}^1$

素因数の和:1451846

約数の個数: 48

約数和(自身を含む): 4333223974464

約数和(自身を除く): 2320103983684

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1693, 3386, 6772, 8465, 16930, 33860, 69413, 138826, 277652, 347065, 694130, 1388260, 1450103, 2900206, 5800412, 7250515, 14501030, 29002060, 59454223, 118908446, 237816892, 297271115, 594542230, 1189084460, 2455024379, 4910048758, 9820097516, 12275121895, 24550243790, 49100487580, 100655999539, 201311999078, 402623998156, 503279997695, 1006559995390, 2013119990780]

約数ペア:

[(1, 2013119990780), (2, 1006559995390), (4, 503279997695), (5, 402623998156), (10, 201311999078), (20, 100655999539), (41, 49100487580), (82, 24550243790), (164, 12275121895), (205, 9820097516), (410, 4910048758), (820, 2455024379), (1693, 1189084460), (3386, 594542230), (6772, 297271115), (8465, 237816892), (16930, 118908446), (33860, 59454223), (69413, 29002060), (138826, 14501030), (277652, 7250515), (347065, 5800412), (694130, 2900206), (1388260, 1450103)]