166628020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{17321}}^1$

素因数の和:17380

約数の個数: 48

約数和(自身を含む): 387042768

約数和(自身を除く): 220414748

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 17321, 34642, 69284, 86605, 173210, 225173, 346420, 450346, 640877, 900692, 1125865, 1281754, 2251730, 2563508, 3204385, 4503460, 6408770, 8331401, 12817540, 16662802, 33325604, 41657005, 83314010, 166628020]

約数ペア:

[(1, 166628020), (2, 83314010), (4, 41657005), (5, 33325604), (10, 16662802), (13, 12817540), (20, 8331401), (26, 6408770), (37, 4503460), (52, 3204385), (65, 2563508), (74, 2251730), (130, 1281754), (148, 1125865), (185, 900692), (260, 640877), (370, 450346), (481, 346420), (740, 225173), (962, 173210), (1924, 86605), (2405, 69284), (4810, 34642), (9620, 17321)]