80455840

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{21863}}^1$

素因数の和:21901

約数の個数: 48

約数和(自身を含む): 198350208

約数和(自身を除く): 117894368

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, 21863, 43726, 87452, 109315, 174904, 218630, 349808, 437260, 502849, 699616, 874520, 1005698, 1749040, 2011396, 2514245, 3498080, 4022792, 5028490, 8045584, 10056980, 16091168, 20113960, 40227920, 80455840]

約数ペア:

[(1, 80455840), (2, 40227920), (4, 20113960), (5, 16091168), (8, 10056980), (10, 8045584), (16, 5028490), (20, 4022792), (23, 3498080), (32, 2514245), (40, 2011396), (46, 1749040), (80, 1005698), (92, 874520), (115, 699616), (160, 502849), (184, 437260), (230, 349808), (368, 218630), (460, 174904), (736, 109315), (920, 87452), (1840, 43726), (3680, 21863)]