40675840

素因数分解:

$2^9\times 5^1\times {\mathrm{15889}}^1$

素因数の和:15912

約数の個数: 40

約数和(自身を含む): 97532820

約数和(自身を除く): 56856980

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 15889, 31778, 63556, 79445, 127112, 158890, 254224, 317780, 508448, 635560, 1016896, 1271120, 2033792, 2542240, 4067584, 5084480, 8135168, 10168960, 20337920, 40675840]

約数ペア:

[(1, 40675840), (2, 20337920), (4, 10168960), (5, 8135168), (8, 5084480), (10, 4067584), (16, 2542240), (20, 2033792), (32, 1271120), (40, 1016896), (64, 635560), (80, 508448), (128, 317780), (160, 254224), (256, 158890), (320, 127112), (512, 79445), (640, 63556), (1280, 31778), (2560, 15889)]