8559640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:244

約数の個数: 64

約数和(自身を含む): 20476800

約数和(自身を除く): 11917160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 47, 58, 94, 116, 145, 157, 188, 232, 235, 290, 314, 376, 470, 580, 628, 785, 940, 1160, 1256, 1363, 1570, 1880, 2726, 3140, 4553, 5452, 6280, 6815, 7379, 9106, 10904, 13630, 14758, 18212, 22765, 27260, 29516, 36424, 36895, 45530, 54520, 59032, 73790, 91060, 147580, 182120, 213991, 295160, 427982, 855964, 1069955, 1711928, 2139910, 4279820, 8559640]

約数ペア:

[(1, 8559640), (2, 4279820), (4, 2139910), (5, 1711928), (8, 1069955), (10, 855964), (20, 427982), (29, 295160), (40, 213991), (47, 182120), (58, 147580), (94, 91060), (116, 73790), (145, 59032), (157, 54520), (188, 45530), (232, 36895), (235, 36424), (290, 29516), (314, 27260), (376, 22765), (470, 18212), (580, 14758), (628, 13630), (785, 10904), (940, 9106), (1160, 7379), (1256, 6815), (1363, 6280), (1570, 5452), (1880, 4553), (2726, 3140)]