16758820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1564

約数の個数: 48

約数和(自身を含む): 38808000

約数和(自身を除く): 22049180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1499, 2236, 2795, 2998, 5590, 5996, 7495, 11180, 14990, 19487, 29980, 38974, 64457, 77948, 97435, 128914, 194870, 257828, 322285, 389740, 644570, 837941, 1289140, 1675882, 3351764, 4189705, 8379410, 16758820]

約数ペア:

[(1, 16758820), (2, 8379410), (4, 4189705), (5, 3351764), (10, 1675882), (13, 1289140), (20, 837941), (26, 644570), (43, 389740), (52, 322285), (65, 257828), (86, 194870), (130, 128914), (172, 97435), (215, 77948), (260, 64457), (430, 38974), (559, 29980), (860, 19487), (1118, 14990), (1499, 11180), (2236, 7495), (2795, 5996), (2998, 5590)]