2645910040

素因数分解:

$2^3\times 5^1\times {\mathrm{2909}}^1\times {\mathrm{22739}}^1$

素因数の和:25659

約数の個数: 32

約数和(自身を含む): 5955606000

約数和(自身を除く): 3309695960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2909, 5818, 11636, 14545, 22739, 23272, 29090, 45478, 58180, 90956, 113695, 116360, 181912, 227390, 454780, 909560, 66147751, 132295502, 264591004, 330738755, 529182008, 661477510, 1322955020, 2645910040]

約数ペア:

[(1, 2645910040), (2, 1322955020), (4, 661477510), (5, 529182008), (8, 330738755), (10, 264591004), (20, 132295502), (40, 66147751), (2909, 909560), (5818, 454780), (11636, 227390), (14545, 181912), (22739, 116360), (23272, 113695), (29090, 90956), (45478, 58180)]