31536640

素因数分解:

$2^9\times 5^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:247

約数の個数: 80

約数和(自身を含む): 76995072

約数和(自身を除く): 45458432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 97, 127, 128, 160, 194, 254, 256, 320, 388, 485, 508, 512, 635, 640, 776, 970, 1016, 1270, 1280, 1552, 1940, 2032, 2540, 2560, 3104, 3880, 4064, 5080, 6208, 7760, 8128, 10160, 12319, 12416, 15520, 16256, 20320, 24638, 24832, 31040, 32512, 40640, 49276, 49664, 61595, 62080, 65024, 81280, 98552, 123190, 124160, 162560, 197104, 246380, 248320, 325120, 394208, 492760, 788416, 985520, 1576832, 1971040, 3153664, 3942080, 6307328, 7884160, 15768320, 31536640]

約数ペア:

[(1, 31536640), (2, 15768320), (4, 7884160), (5, 6307328), (8, 3942080), (10, 3153664), (16, 1971040), (20, 1576832), (32, 985520), (40, 788416), (64, 492760), (80, 394208), (97, 325120), (127, 248320), (128, 246380), (160, 197104), (194, 162560), (254, 124160), (256, 123190), (320, 98552), (388, 81280), (485, 65024), (508, 62080), (512, 61595), (635, 49664), (640, 49276), (776, 40640), (970, 32512), (1016, 31040), (1270, 24832), (1280, 24638), (1552, 20320), (1940, 16256), (2032, 15520), (2540, 12416), (2560, 12319), (3104, 10160), (3880, 8128), (4064, 7760), (5080, 6208)]