27841960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 64

約数和(自身を含む): 66718080

約数和(自身を除く): 38876120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 53, 92, 106, 115, 184, 212, 230, 265, 424, 460, 530, 571, 920, 1060, 1142, 1219, 2120, 2284, 2438, 2855, 4568, 4876, 5710, 6095, 9752, 11420, 12190, 13133, 22840, 24380, 26266, 30263, 48760, 52532, 60526, 65665, 105064, 121052, 131330, 151315, 242104, 262660, 302630, 525320, 605260, 696049, 1210520, 1392098, 2784196, 3480245, 5568392, 6960490, 13920980, 27841960]

約数ペア:

[(1, 27841960), (2, 13920980), (4, 6960490), (5, 5568392), (8, 3480245), (10, 2784196), (20, 1392098), (23, 1210520), (40, 696049), (46, 605260), (53, 525320), (92, 302630), (106, 262660), (115, 242104), (184, 151315), (212, 131330), (230, 121052), (265, 105064), (424, 65665), (460, 60526), (530, 52532), (571, 48760), (920, 30263), (1060, 26266), (1142, 24380), (1219, 22840), (2120, 13133), (2284, 12190), (2438, 11420), (2855, 9752), (4568, 6095), (4876, 5710)]