40048970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4339}}^1$

素因数の和:4430

約数の個数: 32

約数和(自身を含む): 78744960

約数和(自身を除く): 38695990

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 4339, 4615, 8678, 9230, 21695, 43390, 56407, 112814, 282035, 308069, 564070, 616138, 1540345, 3080690, 4004897, 8009794, 20024485, 40048970]

約数ペア:

[(1, 40048970), (2, 20024485), (5, 8009794), (10, 4004897), (13, 3080690), (26, 1540345), (65, 616138), (71, 564070), (130, 308069), (142, 282035), (355, 112814), (710, 56407), (923, 43390), (1846, 21695), (4339, 9230), (4615, 8678)]