85743920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{941}}^1$

素因数の和:1038

約数の個数: 80

約数和(自身を含む): 214459488

約数和(自身を除く): 128715568

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 680, 941, 1072, 1139, 1340, 1360, 1882, 2278, 2680, 3764, 4556, 4705, 5360, 5695, 7528, 9112, 9410, 11390, 15056, 15997, 18224, 18820, 22780, 31994, 37640, 45560, 63047, 63988, 75280, 79985, 91120, 126094, 127976, 159970, 252188, 255952, 315235, 319940, 504376, 630470, 639880, 1008752, 1071799, 1260940, 1279760, 2143598, 2521880, 4287196, 5043760, 5358995, 8574392, 10717990, 17148784, 21435980, 42871960, 85743920]

約数ペア:

[(1, 85743920), (2, 42871960), (4, 21435980), (5, 17148784), (8, 10717990), (10, 8574392), (16, 5358995), (17, 5043760), (20, 4287196), (34, 2521880), (40, 2143598), (67, 1279760), (68, 1260940), (80, 1071799), (85, 1008752), (134, 639880), (136, 630470), (170, 504376), (268, 319940), (272, 315235), (335, 255952), (340, 252188), (536, 159970), (670, 127976), (680, 126094), (941, 91120), (1072, 79985), (1139, 75280), (1340, 63988), (1360, 63047), (1882, 45560), (2278, 37640), (2680, 31994), (3764, 22780), (4556, 18820), (4705, 18224), (5360, 15997), (5695, 15056), (7528, 11390), (9112, 9410)]