1640932010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{397}}^1\times {\mathrm{17971}}^1$

素因数の和:18398

約数の個数: 32

約数和(自身を含む): 3090033792

約数和(自身を除く): 1449101782

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 397, 794, 1985, 3970, 9131, 17971, 18262, 35942, 45655, 89855, 91310, 179710, 413333, 826666, 2066665, 4133330, 7134487, 14268974, 35672435, 71344870, 164093201, 328186402, 820466005, 1640932010]

約数ペア:

[(1, 1640932010), (2, 820466005), (5, 328186402), (10, 164093201), (23, 71344870), (46, 35672435), (115, 14268974), (230, 7134487), (397, 4133330), (794, 2066665), (1985, 826666), (3970, 413333), (9131, 179710), (17971, 91310), (18262, 89855), (35942, 45655)]