39358720

素因数分解:

$2^8\times 5^1\times {\mathrm{97}}^1\times {\mathrm{317}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 95548824

約数和(自身を除く): 56190104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 128, 160, 194, 256, 317, 320, 388, 485, 634, 640, 776, 970, 1268, 1280, 1552, 1585, 1940, 2536, 3104, 3170, 3880, 5072, 6208, 6340, 7760, 10144, 12416, 12680, 15520, 20288, 24832, 25360, 30749, 31040, 40576, 50720, 61498, 62080, 81152, 101440, 122996, 124160, 153745, 202880, 245992, 307490, 405760, 491984, 614980, 983968, 1229960, 1967936, 2459920, 3935872, 4919840, 7871744, 9839680, 19679360, 39358720]

約数ペア:

[(1, 39358720), (2, 19679360), (4, 9839680), (5, 7871744), (8, 4919840), (10, 3935872), (16, 2459920), (20, 1967936), (32, 1229960), (40, 983968), (64, 614980), (80, 491984), (97, 405760), (128, 307490), (160, 245992), (194, 202880), (256, 153745), (317, 124160), (320, 122996), (388, 101440), (485, 81152), (634, 62080), (640, 61498), (776, 50720), (970, 40576), (1268, 31040), (1280, 30749), (1552, 25360), (1585, 24832), (1940, 20288), (2536, 15520), (3104, 12680), (3170, 12416), (3880, 10144), (5072, 7760), (6208, 6340)]