87189520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{99079}}^1$

素因数の和:99103

約数の個数: 40

約数和(自身を含む): 221146560

約数和(自身を除く): 133957040

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 99079, 198158, 396316, 495395, 792632, 990790, 1089869, 1585264, 1981580, 2179738, 3963160, 4359476, 5449345, 7926320, 8718952, 10898690, 17437904, 21797380, 43594760, 87189520]

約数ペア:

[(1, 87189520), (2, 43594760), (4, 21797380), (5, 17437904), (8, 10898690), (10, 8718952), (11, 7926320), (16, 5449345), (20, 4359476), (22, 3963160), (40, 2179738), (44, 1981580), (55, 1585264), (80, 1089869), (88, 990790), (110, 792632), (176, 495395), (220, 396316), (440, 198158), (880, 99079)]