84484000

素因数分解:

$2^5\times 5^3\times {\mathrm{21121}}^1$

素因数の和:21146

約数の個数: 48

約数和(自身を含む): 207587016

約数和(自身を除く): 123103016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 21121, 42242, 84484, 105605, 168968, 211210, 337936, 422420, 528025, 675872, 844840, 1056050, 1689680, 2112100, 2640125, 3379360, 4224200, 5280250, 8448400, 10560500, 16896800, 21121000, 42242000, 84484000]

約数ペア:

[(1, 84484000), (2, 42242000), (4, 21121000), (5, 16896800), (8, 10560500), (10, 8448400), (16, 5280250), (20, 4224200), (25, 3379360), (32, 2640125), (40, 2112100), (50, 1689680), (80, 1056050), (100, 844840), (125, 675872), (160, 528025), (200, 422420), (250, 337936), (400, 211210), (500, 168968), (800, 105605), (1000, 84484), (2000, 42242), (4000, 21121)]