8041280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1933}}^1$

素因数の和:1963

約数の個数: 56

約数和(自身を含む): 20631912

約数和(自身を除く): 12590632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 1933, 2080, 3866, 4160, 7732, 9665, 15464, 19330, 25129, 30928, 38660, 50258, 61856, 77320, 100516, 123712, 125645, 154640, 201032, 251290, 309280, 402064, 502580, 618560, 804128, 1005160, 1608256, 2010320, 4020640, 8041280]

約数ペア:

[(1, 8041280), (2, 4020640), (4, 2010320), (5, 1608256), (8, 1005160), (10, 804128), (13, 618560), (16, 502580), (20, 402064), (26, 309280), (32, 251290), (40, 201032), (52, 154640), (64, 125645), (65, 123712), (80, 100516), (104, 77320), (130, 61856), (160, 50258), (208, 38660), (260, 30928), (320, 25129), (416, 19330), (520, 15464), (832, 9665), (1040, 7732), (1933, 4160), (2080, 3866)]