205857280

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{829}}^1$

素因数の和:949

約数の個数: 80

約数和(自身を含む): 499264920

約数和(自身を除く): 293407640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 320, 388, 485, 512, 640, 776, 829, 970, 1280, 1552, 1658, 1940, 2560, 3104, 3316, 3880, 4145, 6208, 6632, 7760, 8290, 12416, 13264, 15520, 16580, 24832, 26528, 31040, 33160, 49664, 53056, 62080, 66320, 80413, 106112, 124160, 132640, 160826, 212224, 248320, 265280, 321652, 402065, 424448, 530560, 643304, 804130, 1061120, 1286608, 1608260, 2122240, 2573216, 3216520, 5146432, 6433040, 10292864, 12866080, 20585728, 25732160, 41171456, 51464320, 102928640, 205857280]

約数ペア:

[(1, 205857280), (2, 102928640), (4, 51464320), (5, 41171456), (8, 25732160), (10, 20585728), (16, 12866080), (20, 10292864), (32, 6433040), (40, 5146432), (64, 3216520), (80, 2573216), (97, 2122240), (128, 1608260), (160, 1286608), (194, 1061120), (256, 804130), (320, 643304), (388, 530560), (485, 424448), (512, 402065), (640, 321652), (776, 265280), (829, 248320), (970, 212224), (1280, 160826), (1552, 132640), (1658, 124160), (1940, 106112), (2560, 80413), (3104, 66320), (3316, 62080), (3880, 53056), (4145, 49664), (6208, 33160), (6632, 31040), (7760, 26528), (8290, 24832), (12416, 16580), (13264, 15520)]