16821680

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{5683}}^1$

素因数の和:5733

約数の個数: 40

約数和(自身を含む): 40174512

約数和(自身を除く): 23352832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 5683, 11366, 22732, 28415, 45464, 56830, 90928, 113660, 210271, 227320, 420542, 454640, 841084, 1051355, 1682168, 2102710, 3364336, 4205420, 8410840, 16821680]

約数ペア:

[(1, 16821680), (2, 8410840), (4, 4205420), (5, 3364336), (8, 2102710), (10, 1682168), (16, 1051355), (20, 841084), (37, 454640), (40, 420542), (74, 227320), (80, 210271), (148, 113660), (185, 90928), (296, 56830), (370, 45464), (592, 28415), (740, 22732), (1480, 11366), (2960, 5683)]