80667040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{631}}^1$

素因数の和:710

約数の個数: 96

約数和(自身を含む): 206406144

約数和(自身を除く): 125739104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 68, 80, 85, 94, 136, 160, 170, 188, 235, 272, 340, 376, 470, 544, 631, 680, 752, 799, 940, 1262, 1360, 1504, 1598, 1880, 2524, 2720, 3155, 3196, 3760, 3995, 5048, 6310, 6392, 7520, 7990, 10096, 10727, 12620, 12784, 15980, 20192, 21454, 25240, 25568, 29657, 31960, 42908, 50480, 53635, 59314, 63920, 85816, 100960, 107270, 118628, 127840, 148285, 171632, 214540, 237256, 296570, 343264, 429080, 474512, 504169, 593140, 858160, 949024, 1008338, 1186280, 1716320, 2016676, 2372560, 2520845, 4033352, 4745120, 5041690, 8066704, 10083380, 16133408, 20166760, 40333520, 80667040]

約数ペア:

[(1, 80667040), (2, 40333520), (4, 20166760), (5, 16133408), (8, 10083380), (10, 8066704), (16, 5041690), (17, 4745120), (20, 4033352), (32, 2520845), (34, 2372560), (40, 2016676), (47, 1716320), (68, 1186280), (80, 1008338), (85, 949024), (94, 858160), (136, 593140), (160, 504169), (170, 474512), (188, 429080), (235, 343264), (272, 296570), (340, 237256), (376, 214540), (470, 171632), (544, 148285), (631, 127840), (680, 118628), (752, 107270), (799, 100960), (940, 85816), (1262, 63920), (1360, 59314), (1504, 53635), (1598, 50480), (1880, 42908), (2524, 31960), (2720, 29657), (3155, 25568), (3196, 25240), (3760, 21454), (3995, 20192), (5048, 15980), (6310, 12784), (6392, 12620), (7520, 10727), (7990, 10096)]