40497500

素因数分解:

$2^2\times 5^4\times {\mathrm{97}}^1\times {\mathrm{167}}^1$

素因数の和:288

約数の個数: 60

約数和(自身を含む): 90008688

約数和(自身を除く): 49511188

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 125, 167, 194, 250, 334, 388, 485, 500, 625, 668, 835, 970, 1250, 1670, 1940, 2425, 2500, 3340, 4175, 4850, 8350, 9700, 12125, 16199, 16700, 20875, 24250, 32398, 41750, 48500, 60625, 64796, 80995, 83500, 104375, 121250, 161990, 208750, 242500, 323980, 404975, 417500, 809950, 1619900, 2024875, 4049750, 8099500, 10124375, 20248750, 40497500]

約数ペア:

[(1, 40497500), (2, 20248750), (4, 10124375), (5, 8099500), (10, 4049750), (20, 2024875), (25, 1619900), (50, 809950), (97, 417500), (100, 404975), (125, 323980), (167, 242500), (194, 208750), (250, 161990), (334, 121250), (388, 104375), (485, 83500), (500, 80995), (625, 64796), (668, 60625), (835, 48500), (970, 41750), (1250, 32398), (1670, 24250), (1940, 20875), (2425, 16700), (2500, 16199), (3340, 12125), (4175, 9700), (4850, 8350)]