80663368

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 162464400

約数和(自身を除く): 81801032

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 139, 251, 278, 289, 502, 556, 578, 1004, 1112, 1156, 2008, 2312, 2363, 4267, 4726, 8534, 9452, 17068, 18904, 34136, 34889, 40171, 69778, 72539, 80342, 139556, 145078, 160684, 279112, 290156, 321368, 580312, 593113, 1186226, 2372452, 4744904, 10082921, 20165842, 40331684, 80663368]

約数ペア:

[(1, 80663368), (2, 40331684), (4, 20165842), (8, 10082921), (17, 4744904), (34, 2372452), (68, 1186226), (136, 593113), (139, 580312), (251, 321368), (278, 290156), (289, 279112), (502, 160684), (556, 145078), (578, 139556), (1004, 80342), (1112, 72539), (1156, 69778), (2008, 40171), (2312, 34889), (2363, 34136), (4267, 18904), (4726, 17068), (8534, 9452)]