20045035520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{1957523}}^1$

素因数の和:1957550

約数の個数: 48

約数和(自身を含む): 48096364680

約数和(自身を除く): 28051329160

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, 1957523, 3915046, 7830092, 9787615, 15660184, 19575230, 31320368, 39150460, 62640736, 78300920, 125281472, 156601840, 250562944, 313203680, 501125888, 626407360, 1002251776, 1252814720, 2004503552, 2505629440, 4009007104, 5011258880, 10022517760, 20045035520]

約数ペア:

[(1, 20045035520), (2, 10022517760), (4, 5011258880), (5, 4009007104), (8, 2505629440), (10, 2004503552), (16, 1252814720), (20, 1002251776), (32, 626407360), (40, 501125888), (64, 313203680), (80, 250562944), (128, 156601840), (160, 125281472), (256, 78300920), (320, 62640736), (512, 39150460), (640, 31320368), (1024, 19575230), (1280, 15660184), (2048, 9787615), (2560, 7830092), (5120, 3915046), (10240, 1957523)]