40809188

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{971}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 87091200

約数和(自身を除く): 46282012

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 532, 553, 971, 1106, 1501, 1942, 2212, 3002, 3884, 6004, 6797, 10507, 13594, 18449, 21014, 27188, 36898, 42028, 73796, 76709, 129143, 153418, 258286, 306836, 516572, 536963, 1073926, 1457471, 2147852, 2914942, 5829884, 10202297, 20404594, 40809188]

約数ペア:

[(1, 40809188), (2, 20404594), (4, 10202297), (7, 5829884), (14, 2914942), (19, 2147852), (28, 1457471), (38, 1073926), (76, 536963), (79, 516572), (133, 306836), (158, 258286), (266, 153418), (316, 129143), (532, 76709), (553, 73796), (971, 42028), (1106, 36898), (1501, 27188), (1942, 21014), (2212, 18449), (3002, 13594), (3884, 10507), (6004, 6797)]