78994840

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{68099}}^1$

素因数の和:68139

約数の個数: 32

約数和(自身を含む): 183870000

約数和(自身を除く): 104875160

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 68099, 136198, 272396, 340495, 544792, 680990, 1361980, 1974871, 2723960, 3949742, 7899484, 9874355, 15798968, 19748710, 39497420, 78994840]

約数ペア:

[(1, 78994840), (2, 39497420), (4, 19748710), (5, 15798968), (8, 9874355), (10, 7899484), (20, 3949742), (29, 2723960), (40, 1974871), (58, 1361980), (116, 680990), (145, 544792), (232, 340495), (290, 272396), (580, 136198), (1160, 68099)]