25088720

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7649}}^1$

素因数の和:7703

約数の個数: 40

約数和(自身を含む): 59761800

約数和(自身を除く): 34673080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7649, 15298, 30596, 38245, 61192, 76490, 122384, 152980, 305960, 313609, 611920, 627218, 1254436, 1568045, 2508872, 3136090, 5017744, 6272180, 12544360, 25088720]

約数ペア:

[(1, 25088720), (2, 12544360), (4, 6272180), (5, 5017744), (8, 3136090), (10, 2508872), (16, 1568045), (20, 1254436), (40, 627218), (41, 611920), (80, 313609), (82, 305960), (164, 152980), (205, 122384), (328, 76490), (410, 61192), (656, 38245), (820, 30596), (1640, 15298), (3280, 7649)]