83900840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19603}}^1$

素因数の和:19721

約数の個数: 32

約数和(自身を含む): 190550880

約数和(自身を除く): 106650040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 4280, 19603, 39206, 78412, 98015, 156824, 196030, 392060, 784120, 2097521, 4195042, 8390084, 10487605, 16780168, 20975210, 41950420, 83900840]

約数ペア:

[(1, 83900840), (2, 41950420), (4, 20975210), (5, 16780168), (8, 10487605), (10, 8390084), (20, 4195042), (40, 2097521), (107, 784120), (214, 392060), (428, 196030), (535, 156824), (856, 98015), (1070, 78412), (2140, 39206), (4280, 19603)]