28899040

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{7853}}^1$

素因数の和:7891

約数の個数: 48

約数和(自身を含む): 71251488

約数和(自身を除く): 42352448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 7853, 15706, 31412, 39265, 62824, 78530, 125648, 157060, 180619, 251296, 314120, 361238, 628240, 722476, 903095, 1256480, 1444952, 1806190, 2889904, 3612380, 5779808, 7224760, 14449520, 28899040]

約数ペア:

[(1, 28899040), (2, 14449520), (4, 7224760), (5, 5779808), (8, 3612380), (10, 2889904), (16, 1806190), (20, 1444952), (23, 1256480), (32, 903095), (40, 722476), (46, 628240), (80, 361238), (92, 314120), (115, 251296), (160, 180619), (184, 157060), (230, 125648), (368, 78530), (460, 62824), (736, 39265), (920, 31412), (1840, 15706), (3680, 7853)]