28205360

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15329}}^1$

素因数の和:15365

約数の個数: 40

約数和(自身を含む): 68433120

約数和(自身を除く): 40227760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15329, 30658, 61316, 76645, 122632, 153290, 245264, 306580, 352567, 613160, 705134, 1226320, 1410268, 1762835, 2820536, 3525670, 5641072, 7051340, 14102680, 28205360]

約数ペア:

[(1, 28205360), (2, 14102680), (4, 7051340), (5, 5641072), (8, 3525670), (10, 2820536), (16, 1762835), (20, 1410268), (23, 1226320), (40, 705134), (46, 613160), (80, 352567), (92, 306580), (115, 245264), (184, 153290), (230, 122632), (368, 76645), (460, 61316), (920, 30658), (1840, 15329)]