8015760640

素因数分解:

$2^8\times 5^1\times {\mathrm{647}}^1\times {\mathrm{9679}}^1$

素因数の和:10347

約数の個数: 72

約数和(自身を含む): 19231914240

約数和(自身を除く): 11216153600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 647, 1280, 1294, 2588, 3235, 5176, 6470, 9679, 10352, 12940, 19358, 20704, 25880, 38716, 41408, 48395, 51760, 77432, 82816, 96790, 103520, 154864, 165632, 193580, 207040, 309728, 387160, 414080, 619456, 774320, 828160, 1238912, 1548640, 2477824, 3097280, 6194560, 6262313, 12389120, 12524626, 25049252, 31311565, 50098504, 62623130, 100197008, 125246260, 200394016, 250492520, 400788032, 500985040, 801576064, 1001970080, 1603152128, 2003940160, 4007880320, 8015760640]

約数ペア:

[(1, 8015760640), (2, 4007880320), (4, 2003940160), (5, 1603152128), (8, 1001970080), (10, 801576064), (16, 500985040), (20, 400788032), (32, 250492520), (40, 200394016), (64, 125246260), (80, 100197008), (128, 62623130), (160, 50098504), (256, 31311565), (320, 25049252), (640, 12524626), (647, 12389120), (1280, 6262313), (1294, 6194560), (2588, 3097280), (3235, 2477824), (5176, 1548640), (6470, 1238912), (9679, 828160), (10352, 774320), (12940, 619456), (19358, 414080), (20704, 387160), (25880, 309728), (38716, 207040), (41408, 193580), (48395, 165632), (51760, 154864), (77432, 103520), (82816, 96790)]