15775840

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2293}}^1$

素因数の和:2351

約数の個数: 48

約数和(自身を含む): 38153808

約数和(自身を除く): 22377968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 2293, 3440, 4586, 6880, 9172, 11465, 18344, 22930, 36688, 45860, 73376, 91720, 98599, 183440, 197198, 366880, 394396, 492995, 788792, 985990, 1577584, 1971980, 3155168, 3943960, 7887920, 15775840]

約数ペア:

[(1, 15775840), (2, 7887920), (4, 3943960), (5, 3155168), (8, 1971980), (10, 1577584), (16, 985990), (20, 788792), (32, 492995), (40, 394396), (43, 366880), (80, 197198), (86, 183440), (160, 98599), (172, 91720), (215, 73376), (344, 45860), (430, 36688), (688, 22930), (860, 18344), (1376, 11465), (1720, 9172), (2293, 6880), (3440, 4586)]