16717280

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{641}}^1$

素因数の和:819

約数の個数: 48

約数和(自身を含む): 39798864

約数和(自身を除く): 23081584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 641, 652, 815, 1282, 1304, 1630, 2564, 2608, 3205, 3260, 5128, 5216, 6410, 6520, 10256, 12820, 13040, 20512, 25640, 26080, 51280, 102560, 104483, 208966, 417932, 522415, 835864, 1044830, 1671728, 2089660, 3343456, 4179320, 8358640, 16717280]

約数ペア:

[(1, 16717280), (2, 8358640), (4, 4179320), (5, 3343456), (8, 2089660), (10, 1671728), (16, 1044830), (20, 835864), (32, 522415), (40, 417932), (80, 208966), (160, 104483), (163, 102560), (326, 51280), (641, 26080), (652, 25640), (815, 20512), (1282, 13040), (1304, 12820), (1630, 10256), (2564, 6520), (2608, 6410), (3205, 5216), (3260, 5128)]