205035520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{20023}}^1$

素因数の和:20050

約数の個数: 48

約数和(自身を含む): 491989680

約数和(自身を除く): 286954160

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, 20023, 40046, 80092, 100115, 160184, 200230, 320368, 400460, 640736, 800920, 1281472, 1601840, 2562944, 3203680, 5125888, 6407360, 10251776, 12814720, 20503552, 25629440, 41007104, 51258880, 102517760, 205035520]

約数ペア:

[(1, 205035520), (2, 102517760), (4, 51258880), (5, 41007104), (8, 25629440), (10, 20503552), (16, 12814720), (20, 10251776), (32, 6407360), (40, 5125888), (64, 3203680), (80, 2562944), (128, 1601840), (160, 1281472), (256, 800920), (320, 640736), (512, 400460), (640, 320368), (1024, 200230), (1280, 160184), (2048, 100115), (2560, 80092), (5120, 40046), (10240, 20023)]