40688431720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2161}}^1\times {\mathrm{27689}}^1$

素因数の和:29878

約数の個数: 64

約数和(自身を含む): 96982563600

約数和(自身を除く): 56294131880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 2161, 4322, 8644, 10805, 17288, 21610, 27689, 36737, 43220, 55378, 73474, 86440, 110756, 138445, 146948, 183685, 221512, 276890, 293896, 367370, 470713, 553780, 734740, 941426, 1107560, 1469480, 1882852, 2353565, 3765704, 4707130, 9414260, 18828520, 59835929, 119671858, 239343716, 299179645, 478687432, 598359290, 1017210793, 1196718580, 2034421586, 2393437160, 4068843172, 5086053965, 8137686344, 10172107930, 20344215860, 40688431720]

約数ペア:

[(1, 40688431720), (2, 20344215860), (4, 10172107930), (5, 8137686344), (8, 5086053965), (10, 4068843172), (17, 2393437160), (20, 2034421586), (34, 1196718580), (40, 1017210793), (68, 598359290), (85, 478687432), (136, 299179645), (170, 239343716), (340, 119671858), (680, 59835929), (2161, 18828520), (4322, 9414260), (8644, 4707130), (10805, 3765704), (17288, 2353565), (21610, 1882852), (27689, 1469480), (36737, 1107560), (43220, 941426), (55378, 734740), (73474, 553780), (86440, 470713), (110756, 367370), (138445, 293896), (146948, 276890), (183685, 221512)]