8020160

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:441

約数の個数: 56

約数和(自身を含む): 19421856

約数和(自身を除く): 11401696

約数列:

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

約数ペア:

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