28642720

素因数分解:

$2^5\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6173}}^1$

素因数の和:6217

約数の個数: 48

約数和(自身を含む): 70013160

約数和(自身を除く): 41370440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 80, 116, 145, 160, 232, 290, 464, 580, 928, 1160, 2320, 4640, 6173, 12346, 24692, 30865, 49384, 61730, 98768, 123460, 179017, 197536, 246920, 358034, 493840, 716068, 895085, 987680, 1432136, 1790170, 2864272, 3580340, 5728544, 7160680, 14321360, 28642720]

約数ペア:

[(1, 28642720), (2, 14321360), (4, 7160680), (5, 5728544), (8, 3580340), (10, 2864272), (16, 1790170), (20, 1432136), (29, 987680), (32, 895085), (40, 716068), (58, 493840), (80, 358034), (116, 246920), (145, 197536), (160, 179017), (232, 123460), (290, 98768), (464, 61730), (580, 49384), (928, 30865), (1160, 24692), (2320, 12346), (4640, 6173)]