39980560

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{907}}^1$

素因数の和:968

約数の個数: 80

約数和(自身を含む): 101332800

約数和(自身を除く): 61352240

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 29, 38, 40, 58, 76, 80, 95, 116, 145, 152, 190, 232, 290, 304, 380, 464, 551, 580, 760, 907, 1102, 1160, 1520, 1814, 2204, 2320, 2755, 3628, 4408, 4535, 5510, 7256, 8816, 9070, 11020, 14512, 17233, 18140, 22040, 26303, 34466, 36280, 44080, 52606, 68932, 72560, 86165, 105212, 131515, 137864, 172330, 210424, 263030, 275728, 344660, 420848, 499757, 526060, 689320, 999514, 1052120, 1378640, 1999028, 2104240, 2498785, 3998056, 4997570, 7996112, 9995140, 19990280, 39980560]

約数ペア:

[(1, 39980560), (2, 19990280), (4, 9995140), (5, 7996112), (8, 4997570), (10, 3998056), (16, 2498785), (19, 2104240), (20, 1999028), (29, 1378640), (38, 1052120), (40, 999514), (58, 689320), (76, 526060), (80, 499757), (95, 420848), (116, 344660), (145, 275728), (152, 263030), (190, 210424), (232, 172330), (290, 137864), (304, 131515), (380, 105212), (464, 86165), (551, 72560), (580, 68932), (760, 52606), (907, 44080), (1102, 36280), (1160, 34466), (1520, 26303), (1814, 22040), (2204, 18140), (2320, 17233), (2755, 14512), (3628, 11020), (4408, 9070), (4535, 8816), (5510, 7256)]