40808048

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{557}}^1$

素因数の和:825

約数の個数: 40

約数和(自身を含む): 83722320

約数和(自身を除く): 42914272

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 241, 304, 482, 557, 964, 1114, 1928, 2228, 3856, 4456, 4579, 8912, 9158, 10583, 18316, 21166, 36632, 42332, 73264, 84664, 134237, 169328, 268474, 536948, 1073896, 2147792, 2550503, 5101006, 10202012, 20404024, 40808048]

約数ペア:

[(1, 40808048), (2, 20404024), (4, 10202012), (8, 5101006), (16, 2550503), (19, 2147792), (38, 1073896), (76, 536948), (152, 268474), (241, 169328), (304, 134237), (482, 84664), (557, 73264), (964, 42332), (1114, 36632), (1928, 21166), (2228, 18316), (3856, 10583), (4456, 9158), (4579, 8912)]