25531000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 96

約数和(自身を含む): 65978640

約数和(自身を除く): 40447640

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 121, 125, 200, 211, 220, 242, 250, 275, 422, 440, 484, 500, 550, 605, 844, 968, 1000, 1055, 1100, 1210, 1375, 1688, 2110, 2200, 2321, 2420, 2750, 3025, 4220, 4642, 4840, 5275, 5500, 6050, 8440, 9284, 10550, 11000, 11605, 12100, 15125, 18568, 21100, 23210, 24200, 25531, 26375, 30250, 42200, 46420, 51062, 52750, 58025, 60500, 92840, 102124, 105500, 116050, 121000, 127655, 204248, 211000, 232100, 255310, 290125, 464200, 510620, 580250, 638275, 1021240, 1160500, 1276550, 2321000, 2553100, 3191375, 5106200, 6382750, 12765500, 25531000]

約数ペア:

[(1, 25531000), (2, 12765500), (4, 6382750), (5, 5106200), (8, 3191375), (10, 2553100), (11, 2321000), (20, 1276550), (22, 1160500), (25, 1021240), (40, 638275), (44, 580250), (50, 510620), (55, 464200), (88, 290125), (100, 255310), (110, 232100), (121, 211000), (125, 204248), (200, 127655), (211, 121000), (220, 116050), (242, 105500), (250, 102124), (275, 92840), (422, 60500), (440, 58025), (484, 52750), (500, 51062), (550, 46420), (605, 42200), (844, 30250), (968, 26375), (1000, 25531), (1055, 24200), (1100, 23210), (1210, 21100), (1375, 18568), (1688, 15125), (2110, 12100), (2200, 11605), (2321, 11000), (2420, 10550), (2750, 9284), (3025, 8440), (4220, 6050), (4642, 5500), (4840, 5275)]