40496000

素因数分解:

$2^7\times 5^3\times {\mathrm{2531}}^1$

素因数の和:2560

約数の個数: 64

約数和(自身を含む): 100722960

約数和(自身を除く): 60226960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 640, 800, 1000, 1600, 2000, 2531, 3200, 4000, 5062, 8000, 10124, 12655, 16000, 20248, 25310, 40496, 50620, 63275, 80992, 101240, 126550, 161984, 202480, 253100, 316375, 323968, 404960, 506200, 632750, 809920, 1012400, 1265500, 1619840, 2024800, 2531000, 4049600, 5062000, 8099200, 10124000, 20248000, 40496000]

約数ペア:

[(1, 40496000), (2, 20248000), (4, 10124000), (5, 8099200), (8, 5062000), (10, 4049600), (16, 2531000), (20, 2024800), (25, 1619840), (32, 1265500), (40, 1012400), (50, 809920), (64, 632750), (80, 506200), (100, 404960), (125, 323968), (128, 316375), (160, 253100), (200, 202480), (250, 161984), (320, 126550), (400, 101240), (500, 80992), (640, 63275), (800, 50620), (1000, 40496), (1600, 25310), (2000, 20248), (2531, 16000), (3200, 12655), (4000, 10124), (5062, 8000)]