39806016940

素因数分解:

$2^2\times 5^1\times {\mathrm{155383}}^1\times {\mathrm{12809}}^1$

素因数の和:168201

約数の個数: 24

約数和(自身を含む): 83599699680

約数和(自身を除く): 43793682740

約数列:

[1, 2, 4, 5, 10, 20, 12809, 25618, 51236, 64045, 128090, 155383, 256180, 310766, 621532, 776915, 1553830, 3107660, 1990300847, 3980601694, 7961203388, 9951504235, 19903008470, 39806016940]

約数ペア:

[(1, 39806016940), (2, 19903008470), (4, 9951504235), (5, 7961203388), (10, 3980601694), (20, 1990300847), (12809, 3107660), (25618, 1553830), (51236, 776915), (64045, 621532), (128090, 310766), (155383, 256180)]