90800000

素因数分解:

$2^7\times 5^5\times {\mathrm{227}}^1$

素因数の和:266

約数の個数: 96

約数和(自身を含む): 227094840

約数和(自身を除く): 136294840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 227, 250, 320, 400, 454, 500, 625, 640, 800, 908, 1000, 1135, 1250, 1600, 1816, 2000, 2270, 2500, 3125, 3200, 3632, 4000, 4540, 5000, 5675, 6250, 7264, 8000, 9080, 10000, 11350, 12500, 14528, 16000, 18160, 20000, 22700, 25000, 28375, 29056, 36320, 40000, 45400, 50000, 56750, 72640, 80000, 90800, 100000, 113500, 141875, 145280, 181600, 200000, 227000, 283750, 363200, 400000, 454000, 567500, 709375, 726400, 908000, 1135000, 1418750, 1816000, 2270000, 2837500, 3632000, 4540000, 5675000, 9080000, 11350000, 18160000, 22700000, 45400000, 90800000]

約数ペア:

[(1, 90800000), (2, 45400000), (4, 22700000), (5, 18160000), (8, 11350000), (10, 9080000), (16, 5675000), (20, 4540000), (25, 3632000), (32, 2837500), (40, 2270000), (50, 1816000), (64, 1418750), (80, 1135000), (100, 908000), (125, 726400), (128, 709375), (160, 567500), (200, 454000), (227, 400000), (250, 363200), (320, 283750), (400, 227000), (454, 200000), (500, 181600), (625, 145280), (640, 141875), (800, 113500), (908, 100000), (1000, 90800), (1135, 80000), (1250, 72640), (1600, 56750), (1816, 50000), (2000, 45400), (2270, 40000), (2500, 36320), (3125, 29056), (3200, 28375), (3632, 25000), (4000, 22700), (4540, 20000), (5000, 18160), (5675, 16000), (6250, 14528), (7264, 12500), (8000, 11350), (9080, 10000)]