397210640

素因数分解:

$2^4\times 5^1\times {\mathrm{983}}^1\times {\mathrm{5051}}^1$

素因数の和:6047

約数の個数: 40

約数和(自身を含む): 924637248

約数和(自身を除く): 527426608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983, 1966, 3932, 4915, 5051, 7864, 9830, 10102, 15728, 19660, 20204, 25255, 39320, 40408, 50510, 78640, 80816, 101020, 202040, 404080, 4965133, 9930266, 19860532, 24825665, 39721064, 49651330, 79442128, 99302660, 198605320, 397210640]

約数ペア:

[(1, 397210640), (2, 198605320), (4, 99302660), (5, 79442128), (8, 49651330), (10, 39721064), (16, 24825665), (20, 19860532), (40, 9930266), (80, 4965133), (983, 404080), (1966, 202040), (3932, 101020), (4915, 80816), (5051, 78640), (7864, 50510), (9830, 40408), (10102, 39320), (15728, 25255), (19660, 20204)]