138475520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{13523}}^1$

素因数の和:13550

約数の個数: 48

約数和(自身を含む): 332284680

約数和(自身を除く): 193809160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 5120, 10240, 13523, 27046, 54092, 67615, 108184, 135230, 216368, 270460, 432736, 540920, 865472, 1081840, 1730944, 2163680, 3461888, 4327360, 6923776, 8654720, 13847552, 17309440, 27695104, 34618880, 69237760, 138475520]

約数ペア:

[(1, 138475520), (2, 69237760), (4, 34618880), (5, 27695104), (8, 17309440), (10, 13847552), (16, 8654720), (20, 6923776), (32, 4327360), (40, 3461888), (64, 2163680), (80, 1730944), (128, 1081840), (160, 865472), (256, 540920), (320, 432736), (512, 270460), (640, 216368), (1024, 135230), (1280, 108184), (2048, 67615), (2560, 54092), (5120, 27046), (10240, 13523)]