2004025480

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1\times {\mathrm{5581}}^1$

素因数の和:5830

約数の個数: 64

約数和(自身を含む): 4629934080

約数和(自身を除く): 2625908600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 191, 235, 376, 382, 470, 764, 940, 955, 1528, 1880, 1910, 3820, 5581, 7640, 8977, 11162, 17954, 22324, 27905, 35908, 44648, 44885, 55810, 71816, 89770, 111620, 179540, 223240, 262307, 359080, 524614, 1049228, 1065971, 1311535, 2098456, 2131942, 2623070, 4263884, 5246140, 5329855, 8527768, 10492280, 10659710, 21319420, 42638840, 50100637, 100201274, 200402548, 250503185, 400805096, 501006370, 1002012740, 2004025480]

約数ペア:

[(1, 2004025480), (2, 1002012740), (4, 501006370), (5, 400805096), (8, 250503185), (10, 200402548), (20, 100201274), (40, 50100637), (47, 42638840), (94, 21319420), (188, 10659710), (191, 10492280), (235, 8527768), (376, 5329855), (382, 5246140), (470, 4263884), (764, 2623070), (940, 2131942), (955, 2098456), (1528, 1311535), (1880, 1065971), (1910, 1049228), (3820, 524614), (5581, 359080), (7640, 262307), (8977, 223240), (11162, 179540), (17954, 111620), (22324, 89770), (27905, 71816), (35908, 55810), (44648, 44885)]