16040320

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 38996640

約数和(自身を除く): 22956320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 353, 355, 568, 640, 706, 710, 1136, 1412, 1420, 1765, 2272, 2824, 2840, 3530, 4544, 5648, 5680, 7060, 9088, 11296, 11360, 14120, 22592, 22720, 25063, 28240, 45184, 45440, 50126, 56480, 100252, 112960, 125315, 200504, 225920, 250630, 401008, 501260, 802016, 1002520, 1604032, 2005040, 3208064, 4010080, 8020160, 16040320]

約数ペア:

[(1, 16040320), (2, 8020160), (4, 4010080), (5, 3208064), (8, 2005040), (10, 1604032), (16, 1002520), (20, 802016), (32, 501260), (40, 401008), (64, 250630), (71, 225920), (80, 200504), (128, 125315), (142, 112960), (160, 100252), (284, 56480), (320, 50126), (353, 45440), (355, 45184), (568, 28240), (640, 25063), (706, 22720), (710, 22592), (1136, 14120), (1412, 11360), (1420, 11296), (1765, 9088), (2272, 7060), (2824, 5680), (2840, 5648), (3530, 4544)]