64408250

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{4861}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 122872464

約数和(自身を除く): 58464214

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 2650, 4861, 6625, 9722, 13250, 24305, 48610, 121525, 243050, 257633, 515266, 607625, 1215250, 1288165, 2576330, 6440825, 12881650, 32204125, 64408250]

約数ペア:

[(1, 64408250), (2, 32204125), (5, 12881650), (10, 6440825), (25, 2576330), (50, 1288165), (53, 1215250), (106, 607625), (125, 515266), (250, 257633), (265, 243050), (530, 121525), (1325, 48610), (2650, 24305), (4861, 13250), (6625, 9722)]