90619640

素因数分解:

$2^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{6173}}^1$

素因数の和:6551

約数の個数: 32

約数和(自身を含む): 204482880

約数和(自身を除く): 113863240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 367, 734, 1468, 1835, 2936, 3670, 6173, 7340, 12346, 14680, 24692, 30865, 49384, 61730, 123460, 246920, 2265491, 4530982, 9061964, 11327455, 18123928, 22654910, 45309820, 90619640]

約数ペア:

[(1, 90619640), (2, 45309820), (4, 22654910), (5, 18123928), (8, 11327455), (10, 9061964), (20, 4530982), (40, 2265491), (367, 246920), (734, 123460), (1468, 61730), (1835, 49384), (2936, 30865), (3670, 24692), (6173, 14680), (7340, 12346)]