68078140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{13781}}^1$

素因数の和:13822

約数の個数: 48

約数和(自身を含む): 162076320

約数和(自身を除く): 93998180

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 13781, 27562, 55124, 68905, 137810, 179153, 261839, 275620, 358306, 523678, 716612, 895765, 1047356, 1309195, 1791530, 2618390, 3403907, 3583060, 5236780, 6807814, 13615628, 17019535, 34039070, 68078140]

約数ペア:

[(1, 68078140), (2, 34039070), (4, 17019535), (5, 13615628), (10, 6807814), (13, 5236780), (19, 3583060), (20, 3403907), (26, 2618390), (38, 1791530), (52, 1309195), (65, 1047356), (76, 895765), (95, 716612), (130, 523678), (190, 358306), (247, 275620), (260, 261839), (380, 179153), (494, 137810), (988, 68905), (1235, 55124), (2470, 27562), (4940, 13781)]