8491520

素因数分解:

$2^9\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:161

約数の個数: 80

約数和(自身を含む): 21212928

約数和(自身を除く): 12721408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 128, 155, 160, 214, 248, 256, 310, 320, 428, 496, 512, 535, 620, 640, 856, 992, 1070, 1240, 1280, 1712, 1984, 2140, 2480, 2560, 3317, 3424, 3968, 4280, 4960, 6634, 6848, 7936, 8560, 9920, 13268, 13696, 15872, 16585, 17120, 19840, 26536, 27392, 33170, 34240, 39680, 53072, 54784, 66340, 68480, 79360, 106144, 132680, 136960, 212288, 265360, 273920, 424576, 530720, 849152, 1061440, 1698304, 2122880, 4245760, 8491520]

約数ペア:

[(1, 8491520), (2, 4245760), (4, 2122880), (5, 1698304), (8, 1061440), (10, 849152), (16, 530720), (20, 424576), (31, 273920), (32, 265360), (40, 212288), (62, 136960), (64, 132680), (80, 106144), (107, 79360), (124, 68480), (128, 66340), (155, 54784), (160, 53072), (214, 39680), (248, 34240), (256, 33170), (310, 27392), (320, 26536), (428, 19840), (496, 17120), (512, 16585), (535, 15872), (620, 13696), (640, 13268), (856, 9920), (992, 8560), (1070, 7936), (1240, 6848), (1280, 6634), (1712, 4960), (1984, 4280), (2140, 3968), (2480, 3424), (2560, 3317)]