80000005628

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{578687}}^1$

素因数の和:578834

約数の個数: 48

約数和(自身を含む): 157495726080

約数和(自身を除く): 77495720452

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 107, 214, 323, 428, 646, 1292, 1819, 2033, 3638, 4066, 7276, 8132, 34561, 69122, 138244, 578687, 1157374, 2314748, 9837679, 10995053, 19675358, 21990106, 39350716, 43980212, 61919509, 123839018, 186915901, 247678036, 373831802, 747663604, 1052631653, 1176470671, 2105263306, 2352941342, 4210526612, 4705882684, 20000001407, 40000002814, 80000005628]

約数ペア:

[(1, 80000005628), (2, 40000002814), (4, 20000001407), (17, 4705882684), (19, 4210526612), (34, 2352941342), (38, 2105263306), (68, 1176470671), (76, 1052631653), (107, 747663604), (214, 373831802), (323, 247678036), (428, 186915901), (646, 123839018), (1292, 61919509), (1819, 43980212), (2033, 39350716), (3638, 21990106), (4066, 19675358), (7276, 10995053), (8132, 9837679), (34561, 2314748), (69122, 1157374), (138244, 578687)]