4006340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{811}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 9549120

約数和(自身を除く): 5542780

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 811, 988, 1235, 1622, 2470, 3244, 4055, 4940, 8110, 10543, 15409, 16220, 21086, 30818, 42172, 52715, 61636, 77045, 105430, 154090, 200317, 210860, 308180, 400634, 801268, 1001585, 2003170, 4006340]

約数ペア:

[(1, 4006340), (2, 2003170), (4, 1001585), (5, 801268), (10, 400634), (13, 308180), (19, 210860), (20, 200317), (26, 154090), (38, 105430), (52, 77045), (65, 61636), (76, 52715), (95, 42172), (130, 30818), (190, 21086), (247, 16220), (260, 15409), (380, 10543), (494, 8110), (811, 4940), (988, 4055), (1235, 3244), (1622, 2470)]