28893440

素因数分解:

$2^8\times 5^1\times {\mathrm{22573}}^1$

素因数の和:22594

約数の個数: 36

約数和(自身を含む): 69211884

約数和(自身を除く): 40318444

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22573, 45146, 90292, 112865, 180584, 225730, 361168, 451460, 722336, 902920, 1444672, 1805840, 2889344, 3611680, 5778688, 7223360, 14446720, 28893440]

約数ペア:

[(1, 28893440), (2, 14446720), (4, 7223360), (5, 5778688), (8, 3611680), (10, 2889344), (16, 1805840), (20, 1444672), (32, 902920), (40, 722336), (64, 451460), (80, 361168), (128, 225730), (160, 180584), (256, 112865), (320, 90292), (640, 45146), (1280, 22573)]