27884320

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2857}}^1$

素因数の和:2933

約数の個数: 48

約数和(自身を含む): 66980088

約数和(自身を除く): 39095768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 2857, 4880, 5714, 9760, 11428, 14285, 22856, 28570, 45712, 57140, 91424, 114280, 174277, 228560, 348554, 457120, 697108, 871385, 1394216, 1742770, 2788432, 3485540, 5576864, 6971080, 13942160, 27884320]

約数ペア:

[(1, 27884320), (2, 13942160), (4, 6971080), (5, 5576864), (8, 3485540), (10, 2788432), (16, 1742770), (20, 1394216), (32, 871385), (40, 697108), (61, 457120), (80, 348554), (122, 228560), (160, 174277), (244, 114280), (305, 91424), (488, 57140), (610, 45712), (976, 28570), (1220, 22856), (1952, 14285), (2440, 11428), (2857, 9760), (4880, 5714)]