71485280

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2741}}^1$

素因数の和:2919

約数の個数: 48

約数和(自身を含む): 169982064

約数和(自身を除く): 98496784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 2741, 3260, 5216, 5482, 6520, 10964, 13040, 13705, 21928, 26080, 27410, 43856, 54820, 87712, 109640, 219280, 438560, 446783, 893566, 1787132, 2233915, 3574264, 4467830, 7148528, 8935660, 14297056, 17871320, 35742640, 71485280]

約数ペア:

[(1, 71485280), (2, 35742640), (4, 17871320), (5, 14297056), (8, 8935660), (10, 7148528), (16, 4467830), (20, 3574264), (32, 2233915), (40, 1787132), (80, 893566), (160, 446783), (163, 438560), (326, 219280), (652, 109640), (815, 87712), (1304, 54820), (1630, 43856), (2608, 27410), (2741, 26080), (3260, 21928), (5216, 13705), (5482, 13040), (6520, 10964)]