61446640

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{20759}}^1$

素因数の和:20809

約数の個数: 40

約数和(自身を含む): 146731680

約数和(自身を除く): 85285040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 20759, 41518, 83036, 103795, 166072, 207590, 332144, 415180, 768083, 830360, 1536166, 1660720, 3072332, 3840415, 6144664, 7680830, 12289328, 15361660, 30723320, 61446640]

約数ペア:

[(1, 61446640), (2, 30723320), (4, 15361660), (5, 12289328), (8, 7680830), (10, 6144664), (16, 3840415), (20, 3072332), (37, 1660720), (40, 1536166), (74, 830360), (80, 768083), (148, 415180), (185, 332144), (296, 207590), (370, 166072), (592, 103795), (740, 83036), (1480, 41518), (2960, 20759)]