40071928

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{107}}^1\times {\mathrm{277}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 82415880

約数和(自身を除く): 42343952

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 107, 169, 214, 277, 338, 428, 554, 676, 856, 1108, 1352, 1391, 2216, 2782, 3601, 5564, 7202, 11128, 14404, 18083, 28808, 29639, 36166, 46813, 59278, 72332, 93626, 118556, 144664, 187252, 237112, 374504, 385307, 770614, 1541228, 3082456, 5008991, 10017982, 20035964, 40071928]

約数ペア:

[(1, 40071928), (2, 20035964), (4, 10017982), (8, 5008991), (13, 3082456), (26, 1541228), (52, 770614), (104, 385307), (107, 374504), (169, 237112), (214, 187252), (277, 144664), (338, 118556), (428, 93626), (554, 72332), (676, 59278), (856, 46813), (1108, 36166), (1352, 29639), (1391, 28808), (2216, 18083), (2782, 14404), (3601, 11128), (5564, 7202)]