39428560

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{5081}}^1$

素因数の和:5191

約数の個数: 40

約数和(自身を含む): 92634696

約数和(自身を除く): 53206136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3880, 5081, 7760, 10162, 20324, 25405, 40648, 50810, 81296, 101620, 203240, 406480, 492857, 985714, 1971428, 2464285, 3942856, 4928570, 7885712, 9857140, 19714280, 39428560]

約数ペア:

[(1, 39428560), (2, 19714280), (4, 9857140), (5, 7885712), (8, 4928570), (10, 3942856), (16, 2464285), (20, 1971428), (40, 985714), (80, 492857), (97, 406480), (194, 203240), (388, 101620), (485, 81296), (776, 50810), (970, 40648), (1552, 25405), (1940, 20324), (3880, 10162), (5081, 7760)]