53357840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15511}}^1$

素因数の和:15567

約数の個数: 40

約数和(自身を含む): 126950208

約数和(自身を除く): 73592368

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 15511, 31022, 62044, 77555, 124088, 155110, 248176, 310220, 620440, 666973, 1240880, 1333946, 2667892, 3334865, 5335784, 6669730, 10671568, 13339460, 26678920, 53357840]

約数ペア:

[(1, 53357840), (2, 26678920), (4, 13339460), (5, 10671568), (8, 6669730), (10, 5335784), (16, 3334865), (20, 2667892), (40, 1333946), (43, 1240880), (80, 666973), (86, 620440), (172, 310220), (215, 248176), (344, 155110), (430, 124088), (688, 77555), (860, 62044), (1720, 31022), (3440, 15511)]