16458860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{947}}^1$

素因数の和:1046

約数の個数: 48

約数和(自身を含む): 38223360

約数和(自身を除く): 21764500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 947, 1580, 1738, 1894, 3476, 3788, 4345, 4735, 8690, 9470, 10417, 17380, 18940, 20834, 41668, 52085, 74813, 104170, 149626, 208340, 299252, 374065, 748130, 822943, 1496260, 1645886, 3291772, 4114715, 8229430, 16458860]

約数ペア:

[(1, 16458860), (2, 8229430), (4, 4114715), (5, 3291772), (10, 1645886), (11, 1496260), (20, 822943), (22, 748130), (44, 374065), (55, 299252), (79, 208340), (110, 149626), (158, 104170), (220, 74813), (316, 52085), (395, 41668), (790, 20834), (869, 18940), (947, 17380), (1580, 10417), (1738, 9470), (1894, 8690), (3476, 4735), (3788, 4345)]