64155800

素因数分解:

$2^3\times 5^2\times {\mathrm{97}}^1\times {\mathrm{3307}}^1$

素因数の和:3420

約数の個数: 48

約数和(自身を含む): 150745560

約数和(自身を除く): 86589760

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 97, 100, 194, 200, 388, 485, 776, 970, 1940, 2425, 3307, 3880, 4850, 6614, 9700, 13228, 16535, 19400, 26456, 33070, 66140, 82675, 132280, 165350, 320779, 330700, 641558, 661400, 1283116, 1603895, 2566232, 3207790, 6415580, 8019475, 12831160, 16038950, 32077900, 64155800]

約数ペア:

[(1, 64155800), (2, 32077900), (4, 16038950), (5, 12831160), (8, 8019475), (10, 6415580), (20, 3207790), (25, 2566232), (40, 1603895), (50, 1283116), (97, 661400), (100, 641558), (194, 330700), (200, 320779), (388, 165350), (485, 132280), (776, 82675), (970, 66140), (1940, 33070), (2425, 26456), (3307, 19400), (3880, 16535), (4850, 13228), (6614, 9700)]