27840790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89809}}^1$

素因数の和:89847

約数の個数: 16

約数和(自身を含む): 51730560

約数和(自身を除く): 23889770

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 89809, 179618, 449045, 898090, 2784079, 5568158, 13920395, 27840790]

約数ペア:

[(1, 27840790), (2, 13920395), (5, 5568158), (10, 2784079), (31, 898090), (62, 449045), (155, 179618), (310, 89809)]