28258260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20477}}^1$

素因数の和:20512

約数の個数: 48

約数和(自身を含む): 82567296

約数和(自身を除く): 54309036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20477, 40954, 61431, 81908, 102385, 122862, 204770, 245724, 307155, 409540, 470971, 614310, 941942, 1228620, 1412913, 1883884, 2354855, 2825826, 4709710, 5651652, 7064565, 9419420, 14129130, 28258260]

約数ペア:

[(1, 28258260), (2, 14129130), (3, 9419420), (4, 7064565), (5, 5651652), (6, 4709710), (10, 2825826), (12, 2354855), (15, 1883884), (20, 1412913), (23, 1228620), (30, 941942), (46, 614310), (60, 470971), (69, 409540), (92, 307155), (115, 245724), (138, 204770), (230, 122862), (276, 102385), (345, 81908), (460, 61431), (690, 40954), (1380, 20477)]