420079040

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30529}}^1$

素因数の和:30589

約数の個数: 56

約数和(自身を含む): 1023609840

約数和(自身を除く): 603530800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2752, 3440, 6880, 13760, 30529, 61058, 122116, 152645, 244232, 305290, 488464, 610580, 976928, 1221160, 1312747, 1953856, 2442320, 2625494, 4884640, 5250988, 6563735, 9769280, 10501976, 13127470, 21003952, 26254940, 42007904, 52509880, 84015808, 105019760, 210039520, 420079040]

約数ペア:

[(1, 420079040), (2, 210039520), (4, 105019760), (5, 84015808), (8, 52509880), (10, 42007904), (16, 26254940), (20, 21003952), (32, 13127470), (40, 10501976), (43, 9769280), (64, 6563735), (80, 5250988), (86, 4884640), (160, 2625494), (172, 2442320), (215, 1953856), (320, 1312747), (344, 1221160), (430, 976928), (688, 610580), (860, 488464), (1376, 305290), (1720, 244232), (2752, 152645), (3440, 122116), (6880, 61058), (13760, 30529)]