51642250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{211}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 107153280

約数和(自身を除く): 55511030

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 89, 110, 125, 178, 211, 250, 275, 422, 445, 550, 890, 979, 1055, 1375, 1958, 2110, 2225, 2321, 2750, 4450, 4642, 4895, 5275, 9790, 10550, 11125, 11605, 18779, 22250, 23210, 24475, 26375, 37558, 48950, 52750, 58025, 93895, 116050, 122375, 187790, 206569, 244750, 290125, 413138, 469475, 580250, 938950, 1032845, 2065690, 2347375, 4694750, 5164225, 10328450, 25821125, 51642250]

約数ペア:

[(1, 51642250), (2, 25821125), (5, 10328450), (10, 5164225), (11, 4694750), (22, 2347375), (25, 2065690), (50, 1032845), (55, 938950), (89, 580250), (110, 469475), (125, 413138), (178, 290125), (211, 244750), (250, 206569), (275, 187790), (422, 122375), (445, 116050), (550, 93895), (890, 58025), (979, 52750), (1055, 48950), (1375, 37558), (1958, 26375), (2110, 24475), (2225, 23210), (2321, 22250), (2750, 18779), (4450, 11605), (4642, 11125), (4895, 10550), (5275, 9790)]