64391300

素因数分解:

$2^2\times 5^2\times {\mathrm{457}}^1\times {\mathrm{1409}}^1$

素因数の和:1880

約数の個数: 36

約数和(自身を含む): 140134260

約数和(自身を除く): 75742960

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 457, 914, 1409, 1828, 2285, 2818, 4570, 5636, 7045, 9140, 11425, 14090, 22850, 28180, 35225, 45700, 70450, 140900, 643913, 1287826, 2575652, 3219565, 6439130, 12878260, 16097825, 32195650, 64391300]

約数ペア:

[(1, 64391300), (2, 32195650), (4, 16097825), (5, 12878260), (10, 6439130), (20, 3219565), (25, 2575652), (50, 1287826), (100, 643913), (457, 140900), (914, 70450), (1409, 45700), (1828, 35225), (2285, 28180), (2818, 22850), (4570, 14090), (5636, 11425), (7045, 9140)]