213533440

素因数分解:

$2^8\times 5^1\times {\mathrm{166823}}^1$

素因数の和:166844

約数の個数: 36

約数和(自身を含む): 511482384

約数和(自身を除く): 297948944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 166823, 333646, 667292, 834115, 1334584, 1668230, 2669168, 3336460, 5338336, 6672920, 10676672, 13345840, 21353344, 26691680, 42706688, 53383360, 106766720, 213533440]

約数ペア:

[(1, 213533440), (2, 106766720), (4, 53383360), (5, 42706688), (8, 26691680), (10, 21353344), (16, 13345840), (20, 10676672), (32, 6672920), (40, 5338336), (64, 3336460), (80, 2669168), (128, 1668230), (160, 1334584), (256, 834115), (320, 667292), (640, 333646), (1280, 166823)]