894640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:277

約数の個数: 40

約数和(自身を含む): 2129328

約数和(自身を除く): 1234688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 211, 212, 265, 422, 424, 530, 844, 848, 1055, 1060, 1688, 2110, 2120, 3376, 4220, 4240, 8440, 11183, 16880, 22366, 44732, 55915, 89464, 111830, 178928, 223660, 447320, 894640]

約数ペア:

[(1, 894640), (2, 447320), (4, 223660), (5, 178928), (8, 111830), (10, 89464), (16, 55915), (20, 44732), (40, 22366), (53, 16880), (80, 11183), (106, 8440), (211, 4240), (212, 4220), (265, 3376), (422, 2120), (424, 2110), (530, 1688), (844, 1060), (848, 1055)]