25336400

素因数分解:

$2^4\times 5^2\times {\mathrm{97}}^1\times {\mathrm{653}}^1$

素因数の和:768

約数の個数: 60

約数和(自身を含む): 61592412

約数和(自身を除く): 36256012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 97, 100, 194, 200, 388, 400, 485, 653, 776, 970, 1306, 1552, 1940, 2425, 2612, 3265, 3880, 4850, 5224, 6530, 7760, 9700, 10448, 13060, 16325, 19400, 26120, 32650, 38800, 52240, 63341, 65300, 126682, 130600, 253364, 261200, 316705, 506728, 633410, 1013456, 1266820, 1583525, 2533640, 3167050, 5067280, 6334100, 12668200, 25336400]

約数ペア:

[(1, 25336400), (2, 12668200), (4, 6334100), (5, 5067280), (8, 3167050), (10, 2533640), (16, 1583525), (20, 1266820), (25, 1013456), (40, 633410), (50, 506728), (80, 316705), (97, 261200), (100, 253364), (194, 130600), (200, 126682), (388, 65300), (400, 63341), (485, 52240), (653, 38800), (776, 32650), (970, 26120), (1306, 19400), (1552, 16325), (1940, 13060), (2425, 10448), (2612, 9700), (3265, 7760), (3880, 6530), (4850, 5224)]