65405450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 134053920

約数和(自身を除く): 68648470

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 218, 275, 545, 550, 1090, 1091, 1199, 2182, 2398, 2725, 5450, 5455, 5995, 10910, 11990, 12001, 24002, 27275, 29975, 54550, 59950, 60005, 118919, 120010, 237838, 300025, 594595, 600050, 1189190, 1308109, 2616218, 2972975, 5945950, 6540545, 13081090, 32702725, 65405450]

約数ペア:

[(1, 65405450), (2, 32702725), (5, 13081090), (10, 6540545), (11, 5945950), (22, 2972975), (25, 2616218), (50, 1308109), (55, 1189190), (109, 600050), (110, 594595), (218, 300025), (275, 237838), (545, 120010), (550, 118919), (1090, 60005), (1091, 59950), (1199, 54550), (2182, 29975), (2398, 27275), (2725, 24002), (5450, 12001), (5455, 11990), (5995, 10910)]