64433750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{2713}}^1$

素因数の和:2754

約数の個数: 40

約数和(自身を含む): 127178040

約数和(自身を除く): 62744290

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1250, 2375, 2713, 4750, 5426, 11875, 13565, 23750, 27130, 51547, 67825, 103094, 135650, 257735, 339125, 515470, 678250, 1288675, 1695625, 2577350, 3391250, 6443375, 12886750, 32216875, 64433750]

約数ペア:

[(1, 64433750), (2, 32216875), (5, 12886750), (10, 6443375), (19, 3391250), (25, 2577350), (38, 1695625), (50, 1288675), (95, 678250), (125, 515470), (190, 339125), (250, 257735), (475, 135650), (625, 103094), (950, 67825), (1250, 51547), (2375, 27130), (2713, 23750), (4750, 13565), (5426, 11875)]