27432920

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11243}}^1$

素因数の和:11315

約数の個数: 32

約数和(自身を含む): 62741520

約数和(自身を除く): 35308600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 11243, 22486, 44972, 56215, 89944, 112430, 224860, 449720, 685823, 1371646, 2743292, 3429115, 5486584, 6858230, 13716460, 27432920]

約数ペア:

[(1, 27432920), (2, 13716460), (4, 6858230), (5, 5486584), (8, 3429115), (10, 2743292), (20, 1371646), (40, 685823), (61, 449720), (122, 224860), (244, 112430), (305, 89944), (488, 56215), (610, 44972), (1220, 22486), (2440, 11243)]