12155140

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 26595072

約数和(自身を除く): 14439932

約数列:

[1, 2, 4, 5, 10, 20, 47, 67, 94, 134, 188, 193, 235, 268, 335, 386, 470, 670, 772, 940, 965, 1340, 1930, 3149, 3860, 6298, 9071, 12596, 12931, 15745, 18142, 25862, 31490, 36284, 45355, 51724, 62980, 64655, 90710, 129310, 181420, 258620, 607757, 1215514, 2431028, 3038785, 6077570, 12155140]

約数ペア:

[(1, 12155140), (2, 6077570), (4, 3038785), (5, 2431028), (10, 1215514), (20, 607757), (47, 258620), (67, 181420), (94, 129310), (134, 90710), (188, 64655), (193, 62980), (235, 51724), (268, 45355), (335, 36284), (386, 31490), (470, 25862), (670, 18142), (772, 15745), (940, 12931), (965, 12596), (1340, 9071), (1930, 6298), (3149, 3860)]