132188020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{547}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 285582528

約数和(自身を除く): 153394508

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 281, 430, 547, 562, 860, 1094, 1124, 1405, 2188, 2735, 2810, 5470, 5620, 10940, 12083, 23521, 24166, 47042, 48332, 60415, 94084, 117605, 120830, 153707, 235210, 241660, 307414, 470420, 614828, 768535, 1537070, 3074140, 6609401, 13218802, 26437604, 33047005, 66094010, 132188020]

約数ペア:

[(1, 132188020), (2, 66094010), (4, 33047005), (5, 26437604), (10, 13218802), (20, 6609401), (43, 3074140), (86, 1537070), (172, 768535), (215, 614828), (281, 470420), (430, 307414), (547, 241660), (562, 235210), (860, 153707), (1094, 120830), (1124, 117605), (1405, 94084), (2188, 60415), (2735, 48332), (2810, 47042), (5470, 24166), (5620, 23521), (10940, 12083)]