30995000

素因数分解:

$2^3\times 5^4\times {\mathrm{6199}}^1$

素因数の和:6225

約数の個数: 40

約数和(自身を含む): 72633000

約数和(自身を除く): 41638000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 6199, 12398, 24796, 30995, 49592, 61990, 123980, 154975, 247960, 309950, 619900, 774875, 1239800, 1549750, 3099500, 3874375, 6199000, 7748750, 15497500, 30995000]

約数ペア:

[(1, 30995000), (2, 15497500), (4, 7748750), (5, 6199000), (8, 3874375), (10, 3099500), (20, 1549750), (25, 1239800), (40, 774875), (50, 619900), (100, 309950), (125, 247960), (200, 154975), (250, 123980), (500, 61990), (625, 49592), (1000, 30995), (1250, 24796), (2500, 12398), (5000, 6199)]