204523520

素因数分解:

$2^{11}\times 5^1\times {\mathrm{19973}}^1$

素因数の和:20000

約数の個数: 48

約数和(自身を含む): 490761180

約数和(自身を除く): 286237660

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, 19973, 39946, 79892, 99865, 159784, 199730, 319568, 399460, 639136, 798920, 1278272, 1597840, 2556544, 3195680, 5113088, 6391360, 10226176, 12782720, 20452352, 25565440, 40904704, 51130880, 102261760, 204523520]

約数ペア:

[(1, 204523520), (2, 102261760), (4, 51130880), (5, 40904704), (8, 25565440), (10, 20452352), (16, 12782720), (20, 10226176), (32, 6391360), (40, 5113088), (64, 3195680), (80, 2556544), (128, 1597840), (160, 1278272), (256, 798920), (320, 639136), (512, 399460), (640, 319568), (1024, 199730), (1280, 159784), (2048, 99865), (2560, 79892), (5120, 39946), (10240, 19973)]