42898120

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{1091}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 96707520

約数和(自身を除く): 53809400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1091, 1966, 2182, 3932, 4364, 4915, 5455, 7864, 8728, 9830, 10910, 19660, 21820, 39320, 43640, 1072453, 2144906, 4289812, 5362265, 8579624, 10724530, 21449060, 42898120]

約数ペア:

[(1, 42898120), (2, 21449060), (4, 10724530), (5, 8579624), (8, 5362265), (10, 4289812), (20, 2144906), (40, 1072453), (983, 43640), (1091, 39320), (1966, 21820), (2182, 19660), (3932, 10910), (4364, 9830), (4915, 8728), (5455, 7864)]