2103400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{809}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 5273100

約数和(自身を除く): 3169700

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 809, 1300, 1618, 2600, 3236, 4045, 6472, 8090, 10517, 16180, 20225, 21034, 32360, 40450, 42068, 52585, 80900, 84136, 105170, 161800, 210340, 262925, 420680, 525850, 1051700, 2103400]

約数ペア:

[(1, 2103400), (2, 1051700), (4, 525850), (5, 420680), (8, 262925), (10, 210340), (13, 161800), (20, 105170), (25, 84136), (26, 80900), (40, 52585), (50, 42068), (52, 40450), (65, 32360), (100, 21034), (104, 20225), (130, 16180), (200, 10517), (260, 8090), (325, 6472), (520, 4045), (650, 3236), (809, 2600), (1300, 1618)]