4043000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 10221120

約数和(自身を除く): 6178120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 311, 325, 500, 520, 622, 650, 1000, 1244, 1300, 1555, 1625, 2488, 2600, 3110, 3250, 4043, 6220, 6500, 7775, 8086, 12440, 13000, 15550, 16172, 20215, 31100, 32344, 38875, 40430, 62200, 77750, 80860, 101075, 155500, 161720, 202150, 311000, 404300, 505375, 808600, 1010750, 2021500, 4043000]

約数ペア:

[(1, 4043000), (2, 2021500), (4, 1010750), (5, 808600), (8, 505375), (10, 404300), (13, 311000), (20, 202150), (25, 161720), (26, 155500), (40, 101075), (50, 80860), (52, 77750), (65, 62200), (100, 40430), (104, 38875), (125, 32344), (130, 31100), (200, 20215), (250, 16172), (260, 15550), (311, 13000), (325, 12440), (500, 8086), (520, 7775), (622, 6500), (650, 6220), (1000, 4043), (1244, 3250), (1300, 3110), (1555, 2600), (1625, 2488)]