164493760

素因数分解:

$2^6\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1553}}^1$

素因数の和:1901

約数の個数: 56

約数和(自身を含む): 393137136

約数和(自身を除く): 228643376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 331, 662, 1324, 1553, 1655, 2648, 3106, 3310, 5296, 6212, 6620, 7765, 10592, 12424, 13240, 15530, 21184, 24848, 26480, 31060, 49696, 52960, 62120, 99392, 105920, 124240, 248480, 496960, 514043, 1028086, 2056172, 2570215, 4112344, 5140430, 8224688, 10280860, 16449376, 20561720, 32898752, 41123440, 82246880, 164493760]

約数ペア:

[(1, 164493760), (2, 82246880), (4, 41123440), (5, 32898752), (8, 20561720), (10, 16449376), (16, 10280860), (20, 8224688), (32, 5140430), (40, 4112344), (64, 2570215), (80, 2056172), (160, 1028086), (320, 514043), (331, 496960), (662, 248480), (1324, 124240), (1553, 105920), (1655, 99392), (2648, 62120), (3106, 52960), (3310, 49696), (5296, 31060), (6212, 26480), (6620, 24848), (7765, 21184), (10592, 15530), (12424, 13240)]