16218880

素因数分解:

$2^8\times 5^1\times {\mathrm{12671}}^1$

素因数の和:12692

約数の個数: 36

約数和(自身を含む): 38852352

約数和(自身を除く): 22633472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12671, 25342, 50684, 63355, 101368, 126710, 202736, 253420, 405472, 506840, 810944, 1013680, 1621888, 2027360, 3243776, 4054720, 8109440, 16218880]

約数ペア:

[(1, 16218880), (2, 8109440), (4, 4054720), (5, 3243776), (8, 2027360), (10, 1621888), (16, 1013680), (20, 810944), (32, 506840), (40, 405472), (64, 253420), (80, 202736), (128, 126710), (160, 101368), (256, 63355), (320, 50684), (640, 25342), (1280, 12671)]