8674640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1$

素因数の和:484

約数の個数: 80

約数和(自身を含む): 22915200

約数和(自身を除く): 14240560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 439, 494, 520, 760, 878, 988, 1040, 1235, 1520, 1756, 1976, 2195, 2470, 3512, 3952, 4390, 4940, 5707, 7024, 8341, 8780, 9880, 11414, 16682, 17560, 19760, 22828, 28535, 33364, 35120, 41705, 45656, 57070, 66728, 83410, 91312, 108433, 114140, 133456, 166820, 216866, 228280, 333640, 433732, 456560, 542165, 667280, 867464, 1084330, 1734928, 2168660, 4337320, 8674640]

約数ペア:

[(1, 8674640), (2, 4337320), (4, 2168660), (5, 1734928), (8, 1084330), (10, 867464), (13, 667280), (16, 542165), (19, 456560), (20, 433732), (26, 333640), (38, 228280), (40, 216866), (52, 166820), (65, 133456), (76, 114140), (80, 108433), (95, 91312), (104, 83410), (130, 66728), (152, 57070), (190, 45656), (208, 41705), (247, 35120), (260, 33364), (304, 28535), (380, 22828), (439, 19760), (494, 17560), (520, 16682), (760, 11414), (878, 9880), (988, 8780), (1040, 8341), (1235, 7024), (1520, 5707), (1756, 4940), (1976, 4390), (2195, 3952), (2470, 3512)]