6449840

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2179}}^1$

素因数の和:2229

約数の個数: 40

約数和(自身を含む): 15408240

約数和(自身を除く): 8958400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2179, 2960, 4358, 8716, 10895, 17432, 21790, 34864, 43580, 80623, 87160, 161246, 174320, 322492, 403115, 644984, 806230, 1289968, 1612460, 3224920, 6449840]

約数ペア:

[(1, 6449840), (2, 3224920), (4, 1612460), (5, 1289968), (8, 806230), (10, 644984), (16, 403115), (20, 322492), (37, 174320), (40, 161246), (74, 87160), (80, 80623), (148, 43580), (185, 34864), (296, 21790), (370, 17432), (592, 10895), (740, 8716), (1480, 4358), (2179, 2960)]