26475541760

素因数分解:

$2^8\times 5^1\times {\mathrm{79}}^1\times {\mathrm{261823}}^1$

素因数の和:261923

約数の個数: 72

約数和(自身を含む): 64220190720

約数和(自身を除く): 37744648960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 256, 316, 320, 395, 632, 640, 790, 1264, 1280, 1580, 2528, 3160, 5056, 6320, 10112, 12640, 20224, 25280, 50560, 101120, 261823, 523646, 1047292, 1309115, 2094584, 2618230, 4189168, 5236460, 8378336, 10472920, 16756672, 20684017, 20945840, 33513344, 41368034, 41891680, 67026688, 82736068, 83783360, 103420085, 165472136, 167566720, 206840170, 330944272, 335133440, 413680340, 661888544, 827360680, 1323777088, 1654721360, 2647554176, 3309442720, 5295108352, 6618885440, 13237770880, 26475541760]

約数ペア:

[(1, 26475541760), (2, 13237770880), (4, 6618885440), (5, 5295108352), (8, 3309442720), (10, 2647554176), (16, 1654721360), (20, 1323777088), (32, 827360680), (40, 661888544), (64, 413680340), (79, 335133440), (80, 330944272), (128, 206840170), (158, 167566720), (160, 165472136), (256, 103420085), (316, 83783360), (320, 82736068), (395, 67026688), (632, 41891680), (640, 41368034), (790, 33513344), (1264, 20945840), (1280, 20684017), (1580, 16756672), (2528, 10472920), (3160, 8378336), (5056, 5236460), (6320, 4189168), (10112, 2618230), (12640, 2094584), (20224, 1309115), (25280, 1047292), (50560, 523646), (101120, 261823)]