51613840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28051}}^1$

素因数の和:28087

約数の個数: 40

約数和(自身を含む): 125224128

約数和(自身を除く): 73610288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 28051, 56102, 112204, 140255, 224408, 280510, 448816, 561020, 645173, 1122040, 1290346, 2244080, 2580692, 3225865, 5161384, 6451730, 10322768, 12903460, 25806920, 51613840]

約数ペア:

[(1, 51613840), (2, 25806920), (4, 12903460), (5, 10322768), (8, 6451730), (10, 5161384), (16, 3225865), (20, 2580692), (23, 2244080), (40, 1290346), (46, 1122040), (80, 645173), (92, 561020), (115, 448816), (184, 280510), (230, 224408), (368, 140255), (460, 112204), (920, 56102), (1840, 28051)]