28600

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:40

約数の個数: 48

約数和(自身を含む): 78120

約数和(自身を除く): 49520

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 25, 26, 40, 44, 50, 52, 55, 65, 88, 100, 104, 110, 130, 143, 200, 220, 260, 275, 286, 325, 440, 520, 550, 572, 650, 715, 1100, 1144, 1300, 1430, 2200, 2600, 2860, 3575, 5720, 7150, 14300, 28600]

約数ペア:

[(1, 28600), (2, 14300), (4, 7150), (5, 5720), (8, 3575), (10, 2860), (11, 2600), (13, 2200), (20, 1430), (22, 1300), (25, 1144), (26, 1100), (40, 715), (44, 650), (50, 572), (52, 550), (55, 520), (65, 440), (88, 325), (100, 286), (104, 275), (110, 260), (130, 220), (143, 200)]