51553280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{10069}}^1$

素因数の和:10094

約数の個数: 44

約数和(自身を含む): 123679740

約数和(自身を除く): 72126460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2560, 5120, 10069, 20138, 40276, 50345, 80552, 100690, 161104, 201380, 322208, 402760, 644416, 805520, 1288832, 1611040, 2577664, 3222080, 5155328, 6444160, 10310656, 12888320, 25776640, 51553280]

約数ペア:

[(1, 51553280), (2, 25776640), (4, 12888320), (5, 10310656), (8, 6444160), (10, 5155328), (16, 3222080), (20, 2577664), (32, 1611040), (40, 1288832), (64, 805520), (80, 644416), (128, 402760), (160, 322208), (256, 201380), (320, 161104), (512, 100690), (640, 80552), (1024, 50345), (1280, 40276), (2560, 20138), (5120, 10069)]