16539440

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2617}}^1$

素因数の和:2709

約数の個数: 40

約数和(自身を含む): 38955840

約数和(自身を除く): 22416400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2617, 3160, 5234, 6320, 10468, 13085, 20936, 26170, 41872, 52340, 104680, 206743, 209360, 413486, 826972, 1033715, 1653944, 2067430, 3307888, 4134860, 8269720, 16539440]

約数ペア:

[(1, 16539440), (2, 8269720), (4, 4134860), (5, 3307888), (8, 2067430), (10, 1653944), (16, 1033715), (20, 826972), (40, 413486), (79, 209360), (80, 206743), (158, 104680), (316, 52340), (395, 41872), (632, 26170), (790, 20936), (1264, 13085), (1580, 10468), (2617, 6320), (3160, 5234)]