26886520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2081}}^1$

素因数の和:2128

約数の個数: 64

約数和(自身を含む): 67456800

約数和(自身を除く): 40570280

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 34, 38, 40, 68, 76, 85, 95, 136, 152, 170, 190, 323, 340, 380, 646, 680, 760, 1292, 1615, 2081, 2584, 3230, 4162, 6460, 8324, 10405, 12920, 16648, 20810, 35377, 39539, 41620, 70754, 79078, 83240, 141508, 158156, 176885, 197695, 283016, 316312, 353770, 395390, 672163, 707540, 790780, 1344326, 1415080, 1581560, 2688652, 3360815, 5377304, 6721630, 13443260, 26886520]

約数ペア:

[(1, 26886520), (2, 13443260), (4, 6721630), (5, 5377304), (8, 3360815), (10, 2688652), (17, 1581560), (19, 1415080), (20, 1344326), (34, 790780), (38, 707540), (40, 672163), (68, 395390), (76, 353770), (85, 316312), (95, 283016), (136, 197695), (152, 176885), (170, 158156), (190, 141508), (323, 83240), (340, 79078), (380, 70754), (646, 41620), (680, 39539), (760, 35377), (1292, 20810), (1615, 16648), (2081, 12920), (2584, 10405), (3230, 8324), (4162, 6460)]