40647400

素因数分解:

$2^3\times 5^2\times {\mathrm{41}}^1\times {\mathrm{4957}}^1$

素因数の和:5014

約数の個数: 48

約数和(自身を含む): 96829740

約数和(自身を除く): 56182340

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 164, 200, 205, 328, 410, 820, 1025, 1640, 2050, 4100, 4957, 8200, 9914, 19828, 24785, 39656, 49570, 99140, 123925, 198280, 203237, 247850, 406474, 495700, 812948, 991400, 1016185, 1625896, 2032370, 4064740, 5080925, 8129480, 10161850, 20323700, 40647400]

約数ペア:

[(1, 40647400), (2, 20323700), (4, 10161850), (5, 8129480), (8, 5080925), (10, 4064740), (20, 2032370), (25, 1625896), (40, 1016185), (41, 991400), (50, 812948), (82, 495700), (100, 406474), (164, 247850), (200, 203237), (205, 198280), (328, 123925), (410, 99140), (820, 49570), (1025, 39656), (1640, 24785), (2050, 19828), (4100, 9914), (4957, 8200)]