31016140

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{7793}}^1$

素因数の和:8001

約数の個数: 24

約数和(自身を含む): 65469600

約数和(自身を除く): 34453460

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 7793, 15586, 31172, 38965, 77930, 155860, 1550807, 3101614, 6203228, 7754035, 15508070, 31016140]

約数ペア:

[(1, 31016140), (2, 15508070), (4, 7754035), (5, 6203228), (10, 3101614), (20, 1550807), (199, 155860), (398, 77930), (796, 38965), (995, 31172), (1990, 15586), (3980, 7793)]