48801980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 105598080

約数和(自身を除く): 56796100

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 193, 235, 269, 386, 470, 538, 772, 940, 965, 1076, 1345, 1930, 2690, 3860, 5380, 9071, 12643, 18142, 25286, 36284, 45355, 50572, 51917, 63215, 90710, 103834, 126430, 181420, 207668, 252860, 259585, 519170, 1038340, 2440099, 4880198, 9760396, 12200495, 24400990, 48801980]

約数ペア:

[(1, 48801980), (2, 24400990), (4, 12200495), (5, 9760396), (10, 4880198), (20, 2440099), (47, 1038340), (94, 519170), (188, 259585), (193, 252860), (235, 207668), (269, 181420), (386, 126430), (470, 103834), (538, 90710), (772, 63215), (940, 51917), (965, 50572), (1076, 45355), (1345, 36284), (1930, 25286), (2690, 18142), (3860, 12643), (5380, 9071)]