64330400

素因数分解:

$2^5\times 5^2\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:946

約数の個数: 72

約数和(自身を含む): 158857020

約数和(自身を除く): 94526620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 97, 100, 160, 194, 200, 388, 400, 485, 776, 800, 829, 970, 1552, 1658, 1940, 2425, 3104, 3316, 3880, 4145, 4850, 6632, 7760, 8290, 9700, 13264, 15520, 16580, 19400, 20725, 26528, 33160, 38800, 41450, 66320, 77600, 80413, 82900, 132640, 160826, 165800, 321652, 331600, 402065, 643304, 663200, 804130, 1286608, 1608260, 2010325, 2573216, 3216520, 4020650, 6433040, 8041300, 12866080, 16082600, 32165200, 64330400]

約数ペア:

[(1, 64330400), (2, 32165200), (4, 16082600), (5, 12866080), (8, 8041300), (10, 6433040), (16, 4020650), (20, 3216520), (25, 2573216), (32, 2010325), (40, 1608260), (50, 1286608), (80, 804130), (97, 663200), (100, 643304), (160, 402065), (194, 331600), (200, 321652), (388, 165800), (400, 160826), (485, 132640), (776, 82900), (800, 80413), (829, 77600), (970, 66320), (1552, 41450), (1658, 38800), (1940, 33160), (2425, 26528), (3104, 20725), (3316, 19400), (3880, 16580), (4145, 15520), (4850, 13264), (6632, 9700), (7760, 8290)]