28673920

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4073}}^1$

素因数の和:4103

約数の個数: 64

約数和(自身を含む): 74798640

約数和(自身を除く): 46124720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 320, 352, 440, 640, 704, 880, 1408, 1760, 3520, 4073, 7040, 8146, 16292, 20365, 32584, 40730, 44803, 65168, 81460, 89606, 130336, 162920, 179212, 224015, 260672, 325840, 358424, 448030, 521344, 651680, 716848, 896060, 1303360, 1433696, 1792120, 2606720, 2867392, 3584240, 5734784, 7168480, 14336960, 28673920]

約数ペア:

[(1, 28673920), (2, 14336960), (4, 7168480), (5, 5734784), (8, 3584240), (10, 2867392), (11, 2606720), (16, 1792120), (20, 1433696), (22, 1303360), (32, 896060), (40, 716848), (44, 651680), (55, 521344), (64, 448030), (80, 358424), (88, 325840), (110, 260672), (128, 224015), (160, 179212), (176, 162920), (220, 130336), (320, 89606), (352, 81460), (440, 65168), (640, 44803), (704, 40730), (880, 32584), (1408, 20365), (1760, 16292), (3520, 8146), (4073, 7040)]