31913750

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 60

約数和(自身を含む): 66063228

約数和(自身を除く): 34149478

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 121, 125, 211, 242, 250, 275, 422, 550, 605, 625, 1055, 1210, 1250, 1375, 2110, 2321, 2750, 3025, 4642, 5275, 6050, 6875, 10550, 11605, 13750, 15125, 23210, 25531, 26375, 30250, 51062, 52750, 58025, 75625, 116050, 127655, 131875, 151250, 255310, 263750, 290125, 580250, 638275, 1276550, 1450625, 2901250, 3191375, 6382750, 15956875, 31913750]

約数ペア:

[(1, 31913750), (2, 15956875), (5, 6382750), (10, 3191375), (11, 2901250), (22, 1450625), (25, 1276550), (50, 638275), (55, 580250), (110, 290125), (121, 263750), (125, 255310), (211, 151250), (242, 131875), (250, 127655), (275, 116050), (422, 75625), (550, 58025), (605, 52750), (625, 51062), (1055, 30250), (1210, 26375), (1250, 25531), (1375, 23210), (2110, 15125), (2321, 13750), (2750, 11605), (3025, 10550), (4642, 6875), (5275, 6050)]