6445720

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{9479}}^1$

素因数の和:9507

約数の個数: 32

約数和(自身を含む): 15357600

約数和(自身を除く): 8911880

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 9479, 18958, 37916, 47395, 75832, 94790, 161143, 189580, 322286, 379160, 644572, 805715, 1289144, 1611430, 3222860, 6445720]

約数ペア:

[(1, 6445720), (2, 3222860), (4, 1611430), (5, 1289144), (8, 805715), (10, 644572), (17, 379160), (20, 322286), (34, 189580), (40, 161143), (68, 94790), (85, 75832), (136, 47395), (170, 37916), (340, 18958), (680, 9479)]