135174400

素因数分解:

$2^8\times 5^2\times {\mathrm{21121}}^1$

素因数の和:21147

約数の個数: 54

約数和(自身を含む): 334593602

約数和(自身を除く): 199419202

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 21121, 42242, 84484, 105605, 168968, 211210, 337936, 422420, 528025, 675872, 844840, 1056050, 1351744, 1689680, 2112100, 2703488, 3379360, 4224200, 5406976, 6758720, 8448400, 13517440, 16896800, 27034880, 33793600, 67587200, 135174400]

約数ペア:

[(1, 135174400), (2, 67587200), (4, 33793600), (5, 27034880), (8, 16896800), (10, 13517440), (16, 8448400), (20, 6758720), (25, 5406976), (32, 4224200), (40, 3379360), (50, 2703488), (64, 2112100), (80, 1689680), (100, 1351744), (128, 1056050), (160, 844840), (200, 675872), (256, 528025), (320, 422420), (400, 337936), (640, 211210), (800, 168968), (1280, 105605), (1600, 84484), (3200, 42242), (6400, 21121)]