40779340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1787}}^1$

素因数の和:1966

約数の個数: 48

約数和(自身を含む): 98525952

約数和(自身を除く): 57746612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 1787, 2282, 3260, 3574, 4564, 5705, 7148, 8935, 11410, 12509, 17870, 22820, 25018, 35740, 50036, 62545, 125090, 250180, 291281, 582562, 1165124, 1456405, 2038967, 2912810, 4077934, 5825620, 8155868, 10194835, 20389670, 40779340]

約数ペア:

[(1, 40779340), (2, 20389670), (4, 10194835), (5, 8155868), (7, 5825620), (10, 4077934), (14, 2912810), (20, 2038967), (28, 1456405), (35, 1165124), (70, 582562), (140, 291281), (163, 250180), (326, 125090), (652, 62545), (815, 50036), (1141, 35740), (1630, 25018), (1787, 22820), (2282, 17870), (3260, 12509), (3574, 11410), (4564, 8935), (5705, 7148)]