27615680

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:637

約数の個数: 56

約数和(自身を含む): 66233040

約数和(自身を除く): 38617360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 320, 409, 422, 818, 844, 1055, 1636, 1688, 2045, 2110, 3272, 3376, 4090, 4220, 6544, 6752, 8180, 8440, 13088, 13504, 16360, 16880, 26176, 32720, 33760, 65440, 67520, 86299, 130880, 172598, 345196, 431495, 690392, 862990, 1380784, 1725980, 2761568, 3451960, 5523136, 6903920, 13807840, 27615680]

約数ペア:

[(1, 27615680), (2, 13807840), (4, 6903920), (5, 5523136), (8, 3451960), (10, 2761568), (16, 1725980), (20, 1380784), (32, 862990), (40, 690392), (64, 431495), (80, 345196), (160, 172598), (211, 130880), (320, 86299), (409, 67520), (422, 65440), (818, 33760), (844, 32720), (1055, 26176), (1636, 16880), (1688, 16360), (2045, 13504), (2110, 13088), (3272, 8440), (3376, 8180), (4090, 6752), (4220, 6544)]