71707840

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{677}}^1$

素因数の和:1025

約数の個数: 56

約数和(自身を含む): 171523152

約数和(自身を除く): 99815312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 677, 1324, 1354, 1655, 2648, 2708, 3310, 3385, 5296, 5416, 6620, 6770, 10592, 10832, 13240, 13540, 21184, 21664, 26480, 27080, 43328, 52960, 54160, 105920, 108320, 216640, 224087, 448174, 896348, 1120435, 1792696, 2240870, 3585392, 4481740, 7170784, 8963480, 14341568, 17926960, 35853920, 71707840]

約数ペア:

[(1, 71707840), (2, 35853920), (4, 17926960), (5, 14341568), (8, 8963480), (10, 7170784), (16, 4481740), (20, 3585392), (32, 2240870), (40, 1792696), (64, 1120435), (80, 896348), (160, 448174), (320, 224087), (331, 216640), (662, 108320), (677, 105920), (1324, 54160), (1354, 52960), (1655, 43328), (2648, 27080), (2708, 26480), (3310, 21664), (3385, 21184), (5296, 13540), (5416, 13240), (6620, 10832), (6770, 10592)]